Name the eleven states that lie between the rocky moutains and Mississippi River

The Mississippi River is the largest river in the United States, running essentially through the middle of the country. The Rocky Mountains are a tall mountain range running from Canada to the American Southwest through the states of Colorado, Wyoming, Montana, Utah, New Mexico, Idaho, and Arizona.

the 11 states are Colorado,Wyoming,Montana,Utah New Mexico,Idaho and Arizona

as general terms,  indian territory,  the indian territories, or  indian country  describe an evolving land area set aside by the  united states government  for the relocation of  native americans  who held  aboriginal title  to their land. in general, the tribes ceded land they occupied in exchange for  land grants  in 1803. the concept of an indian territory was an outcome of the 18th- and 19th-century policy of  indian removal. after the  civil war(1861–1865), the policy of the government was one of  assimilation.