What agency was created by the united states congress in 1865 to set up schools and churches, supply food and clothing, and solve employment issues for the former slaves?

The answer is Freedmen's Bureau.

A government agency established by Congress in 1865 to distribute food, supplies, and confiscated land to former slaves. Although the bureau's worth proved questionable because of corruption within the organization and external pressure from southern whites (including President Andrew Johnson), it successfully established schools for blacks throughout the South.