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?

Responses
A the Ku Klux Klanthe Ku Klux Klan
B the Freedmen's Bureauthe Freedmen's Bureau
C the American Missionary Associationthe American Missionary Association
D the National Association for the Advancement of Colored People