 The Freedmen's Bureau, as it came to be called, was authorized to give legal title for plots of land to freedmen and white Southern Unionists.Tunis Campbell, a free Northern black missionary, was appointed to supervise land claims and resettlement in Georgia.Over the objections of Freedmen's Bureau chief General Oliver O. Howard, President Andrew Johnson revoked Sherman's directive in the fall of 1865, after the war had ended, returning these lands to the planters who had previously owned them.