What role did peter the hermit play in the crusades?

In the mid-1800s, how did american indians often react to the us government signing treaties with tribal chiefs to establish reservations? many american indians did not accept the treaties and resisted relocating. many american indians fought for land taken away by the dawes act. many american indians bought land in oklahoma from white settlers. many american indians accepted the treaties and relocated voluntarily.

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

Which factor was a major cause of the great depression of the 1930?