What in the President's Reconstruction was helpful for slaves to gain full citizenship and what was detrimental?

Andrew Johnson (December 29, 1808 – July 31, 1875) was the 17th president of the United States, serving from 1865 to 1869. He assumed the presidency as he was vice president at the time of the assassination of Abraham Lincoln. Johnson was a Democrat who ran with Lincoln on the National Union ticket, coming to office as the Civil War

Explanation:

option a

explanation:

to cleberate the end of their war

who was the head of the bureau who was the head of the bureau