U.S. Vice President Kamala Harris participates in a Juneteenth event at the National Museum of African American History and Culture in Washington, U.S., June 20, 2022. REUTERS/Mary F. Calvert 

U.S. Vice President Kamala Harris participates in a Juneteenth event at the National Museum of African American History and Culture in Washington, U.S., June 20, 2022. REUTERS/Mary F. Calvert 

U.S. Vice President Kamala Harris and Second Gentleman Douglas Emhoff participate in a Juneteenth event at the National Museum of African American History and Culture in Washington, U.S., June 20, 2022. REUTERS/Mary F. Calvert 

U.S. Vice President Kamala Harris participates in a Juneteenth event at the National Museum of African American History and Culture in Washington, U.S., June 20, 2022. REUTERS/Mary F. Calvert 

U.S. Vice President Kamala Harris participates in a Juneteenth event at the National Museum of African American History and Culture in Washington, U.S., June 20, 2022. REUTERS/Mary F. Calvert 

CEO of Bulk Commodities in Anglo American Themba Mkhwanazi attends the 2022 Investing in African Mining Indaba, in Cape Town, South Africa, May 10, 2022. REUTERS/Shelley Christians 

Elizabeth Meaders, 90, holds a Currier and Ives print documenting freedom being given to slaves, amid her collection of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Elizabeth Meaders, 90, holds original reward posters for escaped slaves amid her collection of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Items are pictured amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts, which traces the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Various items are displayed amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Collector Elizabeth Meaders, 90, shows the hat of an African American Vietnam War veteran from her collection of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of Slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Collector Elizabeth Meaders, 90, holds an axe handle used to threaten and beat African Americans by segregationist Lester Maddox in Georgia, amid her collection of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Elizabeth Meaders, 90, walks amid her collection of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

A wax statue of former Major League Baseball star Henry Aaron is displayed amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

A Nazi flag captured and signed by members of a black segregated U.S. Army unit in World War II is displayed amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of Slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Various items are displayed amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Elizabeth Meaders, 90, holds a rare portrait of aviator Bessie Coleman, the first African American woman to hold a pilot's license, amid her collection of thousands of historical and cultural artifacts which traces the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

A rug with the likeness of Reverend Dr. Martin Luther King Jr. is pictured amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

A branding iron used on African American slaves is pictured amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Items are pictured amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts which traces the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Puzzles depicting slaves in America are pictured amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Collector Elizabeth Meaders, 90, shows a Nazi flag captured and signed by members of a black segregated U.S. Army unit in World War II amid her collection of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of Slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Various items are displayed amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Collector Elizabeth Meaders, 90, displays items from her collection of thousands of historical and cultural artifacts, which traces the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Items are pictured amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts, which traces the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Items are pictured amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

A branding iron and a whip used on African American slaves are pictured on a print of African slave traffic as they are displayed amid the collection of Elizabeth Meaders, 90, of thousands historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

Collector Elizabeth Meaders, 90, displays items from her collection of thousands of historical and cultural artifacts which traces the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

A cookie jar in the likeness of civil rights icon Rosa Parks is pictured amid the collection of Elizabeth Meaders, 90, of thousands of historical and cultural artifacts tracing the African American experience from the Revolutionary War and the beginnings of slavery, through the Civil Rights Movement to today's Black Lives Matter movement, being offered in a single lot auction sale by Guernsey's on February 28, 2022, at her home in the Staten Island borough of New York City, New York, U.S., February 2, 2022. Picture taken February 2, 2022. REUTERS/Mike Segar 

People gather in front of a mural of Ahmaud Arbery painted on the side of The Brunswick African American Cultural Center demanding justice for Ahmaud Arbery in Brunswick, Georgia, November 4, 2021. REUTERS/Octavio Jones 

Annie Polite, 87, gives members of the Transformative Justice Coalition activists some history about her African-American heritage growing up in southeastern Georgia, as they tour The Wanderer Memory Trail, which tells the story of America's last known slave ship to transport captured West Africans who were sold into slavery, on Jekyll Island, Georgia, after they spent the morning protesting at the Glynn County Courthouse demanding justice for Ahmaud Arbery, U.S. October 20, 2021. REUTERS/Octavio Jones 

Annie Polite, 87, gives members of the Transformative Justice Coalition activists some history about her African-American heritage growing up in southeastern Georgia, as they tour The Wanderer Memory Trail, which tells the story of America's last known slave ship to transport captured West Africans who were sold into slavery, on Jekyll Island, Georgia, after they spent the morning protesting at the Glynn County Courthouse demanding justice for Ahmaud Arbery, U.S. October 20, 2021. REUTERS/Octavio Jones 

Annie Polite, 87, gives members of the Transformative Justice Coalition activists some history about her African-American heritage growing up in southeastern Georgia, as they tour The Wanderer Memory Trail, which tells the story of America's last known slave ship to transport captured West Africans who were sold into slavery, on Jekyll Island, Georgia, after they spent the morning protesting at the Glynn County Courthouse demanding justice for Ahmaud Arbery, U.S. October 20, 2021. REUTERS/Octavio Jones 

Marvin Weeks stands next to a mural of Ahmaud Arbery he painted on the side of The Brunswick African American Cultural Center in downtown Brunswick, Georgia, U.S. October 19, 2021. REUTERS/Octavio Jones 

A mural of Ahmaud Arbery is painted on the side of The Brunswick African American Cultural Center in downtown Brunswick, Georgia, U.S. October 19, 2021. REUTERS/Octavio Jones 

A mural of Ahmaud Arbery is painted on the side of The Brunswick African American Cultural Center in downtown Brunswick, Georgia, U.S. October 11, 2021. Picture taken October 11, 2021. REUTERS/ Christopher Aluka Berry 

Nonprofit leader and academic Danielle Allen talks to nine month-old Nora Cox after announcing her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen talks to nine month-old Nora Cox after announcing her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen is hugged by a supporter after announcing her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen greets supporters before announcing her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen announces her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen announces her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen announces her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen announces her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen announces her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen announces her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen announces her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

Nonprofit leader and academic Danielle Allen announces her candidacy for Governor of Massachusetts in front of the statehouse in Boston, Massachusetts, U.S., June 15, 2021. It is the first time in the state's history that an African-American woman has run for governor as part of a major party and if elected, would be the first black female governor in the United States. REUTERS/Brian Snyder 

An employee stands next to artworks by African American artist David Hammons inside the Gallery 2 at the Bourse de Commerce - Pinault Collection contemporary art museum in Paris, France, May 14, 2021. Picture taken May 14, 2021. REUTERS/Sarah Meyssonnier 

U.S. first lady Jill Biden views a cabin from a South Carolina slave plantation dating to the 1850’s during a brief tour as the museum reopens to the public in Washington, U.S. May 14, 2021. REUTERS/Jonathan Ernst 

U.S. first lady Jill Biden, with Secretary of the Smithsonian Lonnie Bunch and National Museum of African American History and Culture Director Kevin Young, views the Harriet Tubman exhibit during a brief tour as the museum reopens to the public in Washington, U.S. May 14, 2021. REUTERS/Jonathan Ernst 

U.S. first lady Jill Biden, with Secretary of the Smithsonian Lonnie Bunch and National Museum of African American History and Culture Director Kevin Young, takes a brief tour as the museum reopens to the public in Washington, U.S. May 14, 2021. REUTERS/Jonathan Ernst 

U.S. first lady Jill Biden, with Secretary of the Smithsonian Lonnie Bunch and National Museum of African American History and Culture Director Kevin Young, views the Harriet Tubman exhibit during a brief tour as the museum reopens to the public in Washington, U.S. May 14, 2021. REUTERS/Jonathan Ernst 

U.S. first lady Jill Biden, with Secretary of the Smithsonian Lonnie Bunch and National Museum of African American History and Culture Director Kevin Young, views the Harriet Tubman exhibit during a brief tour as the museum reopens to the public in Washington, U.S. May 14, 2021. REUTERS/Jonathan Ernst 

Visitors and staff members gather to see U.S. first lady Jill Biden and Secretary of the Smithsonian Lonnie Bunch as the National Museum of African American History and Culture reopens to the public in Washington, U.S. May 14, 2021. REUTERS/Jonathan Ernst 

U.S. first lady Jill Biden, with Secretary of the Smithsonian Lonnie Bunch and National Museum of African American History and Culture Director Kevin Young, views a cabin from a slave plantation during a brief tour as the museum reopens to the public in Washington, U.S. May 14, 2021. REUTERS/Jonathan Ernst 

U.S. first lady Jill Biden, with Secretary of the Smithsonian Lonnie Bunch and National Museum of African American History and Culture Director Kevin Young, views a cabin from a slave plantation during a brief tour as the museum reopens to the public in Washington, U.S. May 14, 2021. REUTERS/Jonathan Ernst 

U.S. first lady Jill Biden greets National Museum of African American History and Culture Director Kevin Young and Secretary of the Smithsonian Lonnie Bunch as the museum reopens to the public in Washington, U.S. May 14, 2021. REUTERS/Jonathan Ernst