How can an economic crisis lead to the growth of political and economic movements?

What were the main features of the aristotelian-ptolemaic model of the cosmos

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.

This chart shows american troop strength during what conflict? a) gulf war b) korean war c) vietnam war d) world war ii