Which was a means the federal government used to safeguard blacks' civil rights during congressional Reconstruction?

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Which was a means the federal government used to safeguard blacks' civil rights during congressional Reconstruction?

"Sending soldiers to the South to enforce antidiscrimination laws."

However, the Reconstruction period was not an easy one for African Americans in the South with the installation of racist legislation such as the Jim Crow laws or the black codes.

Indeed, a major cause of the end of Reconstruction was the informal negotiations between Democrats and Republicans to declare the winner of the elections of teh 1876 Presidential election. They negotiated and Democrats agreed to declare Rutherford B. Hayes with the following conditions.

Republicans accepted to sign the Compromise of 1877, in which they agreed on withdrawing the federal troops established in the southern states that were there to support Reconstruction. So without the presence and support of the federal troops, Reconstruction saw its last days and finally ended in 1877.

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

by 1880, germany had more rail lines than great britain and russia.