Columbia subject headings:
African Americans--Economic conditions--21st century.
African Americans--Social conditions--21st century.
Obama, Barack.
United States--Politics and government--2009-2017.
United States--Race relations--History--21st century.
Harvard subject headings:
African Americans--Economic conditions--21st century.
African Americans--Social conditions--21st century.
Obama, Barack
United States--Politics and government--2009-2017.
United States--Race relations--History--21st century.
Princeton subject headings:
African Americans--Economic conditions--21st century.
African Americans--Social conditions--21st century.
Obama, Barack.
United States--Politics and government--2009-2017.
United States--Race relations--History--21st century.