Under what circumstances can the united nations use force to stop a conflict within a member country

The use of force could be use only on the last resort.

Explanation:

The United Nations can only use force on the last resort. It could also be used in self defence but before the United Nations peace keeping troop could use force, they have to seek the approval from the United Nations Security Council which comprises of the following nations as members United States, Britain, France, Russia and China.

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.