In the 1870s, the US government took a new approach to American Indians by
providing allotments of land.
encouraging assimilation.
confining tribes on reservations.
forcing tribes to relocate west.

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth