Why Was the Compromise of 1877 Significant

Why was the Compromise of 1877 significant?

A) It gave the White House to Tilden, which guaranteed that Democrats would once again have the executive power of the presidency.
B) It ended the North-South division in that it created a labor system through which many southerners would migrate to the North and vice versa.
C) It protected the civil rights of ex-slaves by calling for the thorough enforcement of laws against voter suppression.
D) It brought about the end of Reconstruction through the promise that federal troops would be removed from the Deep South.
E) It increased the role of the federal government in the South by establishing five additional military districts.