At Jackson's request, the United States Congress opened a debate on an Indian Removal Bill. ... The Indian Removal Act of 1830 implemented the federal government's policy towards the Indian populations, which called for moving Native American tribes living east of the Mississippi River to lands west of the river.
During the cold war, both leaders refrained from any physical or official acts of warfare. It mostly consisted of them taking control of foreign nations that were battling each other, but neither the US or Soviet Union declared war on one another. This was because it happened so soon after WWII that neither wanted to be held responsibly for another war.
Launched a much more aggressive expansion of Asia <span />
The answer is b. conquest and diseases brought by Europeans changed the native American way of life forever.
Its because they wanted a way to move faster in the industrey