Took land from settlers to give to American Indians.
An Indian reservation is a legal designation for an area of land managed by a Native American tribe under the US Bureau of Indian Affairs, rather than the state governments of the United States in which they are physically located
hope it helps
Becuase hittler was beat at world war 2 so he lost control over germany
Because there were so many japanese people they could conquer someplace then then a couple of troops behind to colonise and guard.