I think it's Ghana Empire Wagadou
C. The United States gained territory in the Pacific Ocean.
Reconstruction ended with the Compromise of 1877. The Compromise of 1877 allowed for Federal Troops to be removed from the South and for the South to deal with African-Americans as they chose in return for the acceptance of the Republican President, Rutherford B. Hayes.
In short, the Republicans gave away the farm and most African-Americans were disenfranchised by the early 1900s.