Answer:
Because countries who practiced Christianity were traveling the world colonizing different areas and passing on their religion. Remember the 3 G's: God, Gold, and Glory.
B and because that’s what I think
he Freedmen's Bureau, formally known as the Bureau of Refugees, Freedmen and Abandoned Lands, was established in 1865 by Congress to help millions of former black slaves and poor whites in the South in the aftermath of the Civil War.