What was true about african americans elected to government office during reconstruction

Explanation:

One of the most important aspects of Reconstruction was the active participation of African Americans (including thousands of former slaves) in the political, economic and social life of the South. The era was to a great extent defined by their quest for autonomy and equal rights under the law, both as individuals and for the black community as a whole. During Reconstruction, some 2,000 African Americans held public office, from the local level all the way up tothe U.S. Senate, though they never achieved representation in government proportionate to their numbers.

i think they would live in caves or natural tunnels

the answer for 3 is b and the answer for 4 is d