The phrase best completes the list is American Indian tribes no longer recognized as independent nations.
The correct option is D.
A nation which has its own rights and rules for its citizens. An independent nation will provide each and every facility to help people live life independently. People are no more slave of the citizens of other independent countries.
This list describes the main causes of increasing violence between American Indians and the US government in the mid 1800s .
The reasons for increasing violence were American Indians forced onto reservations, conflicts with white settlers on land.
Thus, the correct option is D.
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