For This Question,refer to the Following Map,"Indian Country in the West,to

Multiple Choice

For this question,refer to the following map,"Indian Country in the West,to 1890." The map above is best understood in the context of

A) the U.S.government hoping to end American Indian tribal identities through assimilation.
B) the mass movement of people into the nation's cities.
C) the effort of conservationists to protect unspoiled wilderness through various preservationist measures.
D) political debates over economic and social policies.