In Their Treatment of Native Americans, White Americans Did All

In their treatment of Native Americans, white Americans did all of the following except  

A) recognize the tribes as separate nations.
B) argue that Indians could not be assimilated into the larger society.
C) try "to civilize Indians" by promoting literacy, agricultural, and vocational instructions.
D) trick them into ceding land to whites.
E) promise to acquire land only through formal treaties.