the freedmen's bureau was?

1.the south's effort to remake its economy on a free-labor basis

2. the north's effort to remake its economy on a free-labor basis

3. the federal force that occupied the south for 12+ years

4. the federal force that took over the confederate government in richmond after the war

Freedmen's Bureau, (1865–72), during the Reconstruction period after the American Civil War, popular name for the U.S. Bureau of Refugees, Freedmen, and Abandoned Lands, established by Congress to provide practical aid to 4,000,000 newly freed African Americans in their transition from slavery to freedom.

d) in the state of iowa