Answer:
Despite it's official title it's main purpose was to help the more than four million former slaves, most with any resources or education populating the South after the war. Congress created the Freedman's Bureau, with a life span of just one year, to distribute clothing, food, and fuel to destitute freedmen and to oversee "all subjects relating to their condition" in the South.
(I answered this question before that's why I got the answer rly fast.)