What was the main accomplishment of the freedmen's bureau?

The Freedmen's Bureau was an agency of the Federal Government whose purpose was to assist African-American refugees affected by the Civil War.

Explanation:

Its primary task was to provide assistance to the fugitives after the end of the Civil War. The agency was led by commissioner General Oliver Otis Howard, who was assisted by a commission assistant for each southern state. The agency took responsibility for the distribution of food and medicine to the African Americans, most of whom were refugees, and to the whites in need. Its work also consisted of regulating the working conditions of the blacks, the formation of schools and the education of former slaves who were illiterate, as well as control and distribution of abandoned or confiscated land in the south.

they were the direct result of some cultural difussion.

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same