Washington, D. C. - Posse Comitatus was passed which ended Federal protection for Black Americans in the South. It was a result of the compromise of 1877, that gave Rutherford B. Hayes the presidency. Hayes signed the law.
The Reconstruction Acts and Enforcement Acts were passed to protect the rights of Black Americans, from traitorous whites, in the South. President Ulysses S. Grant used the military to enforce the law and uphold the Thirteenth, Fourteenth, and Fifteenth Amendments.
Black people were attacked and killed for voting, assembling, and holding office, by whites. President Ulysses S. Grant used the Army to protect the rights of Black Americans, in the South. Yet, Grant gave up on Black Americans to help the Republican party in Ohio, in 1875.
The governor of Ohio, that won the election, in 1875, was Rutherford B. Hayes. From that point, the Republicans made a further deal to sacrifice Black Americans in the 1876 Presidential election. It made Rutherford B. Hayes the first Democrat elected since the Slavery War.
The deal made between the Republican and Democrat party led to the law that ended Federal protection for Black Americans in the South.