What agency of the United States was the Bureau that Josephine Sophia White Griffing did much of her work through?
Josephine Sophia White Griffing:  Much of her work was done through the Freedmen's Bureau, where she worked as an assistant to the assistant commissioner and as an agent. Freedmen's Bureau: The Bureau of Refugees, Freedmen, and Abandoned Lands, usually referred to as simply the Freedmen's Bureau, was an agency of the United States Department of War to "direct such issues of provisions, clothing, and fuel, as he may deem needful for the immediate and temporary shelter and supply of destitute and suffering refugees and freedmen and their wives and children."
Department of War