Question

the federal government established this agency to help freed african americans transition into post - civil war society.
enforcement acts bureau
underground railroad
freedmens bureau
naacp (national association for the advancement of colored people)

Explanation:

The Freedmen's Bureau was established by the federal government to assist freed African - Americans in transitioning to post - Civil War society. It provided food, housing, medical aid, and education. The Enforcement Acts Bureau is not related to this purpose. The Underground Railroad was a network before the Civil War to help slaves escape. The NAACP was founded later to fight for civil rights.

Answer:

C. Freedmen's Bureau