Answer:
He developed theories on how power structures in society keep people under control.
Explanation:
The correct answer is the U.S. troops - on behalf of the U.S. government. The period between 1820 and 1860 saw the decline of the conditions of the Indians in American territory. Many were decimated, thousands of them were forced to leave their homes in the South and move west of the Mississippi Rivers (this is the so-called Trail of Tears), and many others were even slaved.
I say it B cause with the economy, the consumers makes it the economics of it.
There was the compass and the astrolabe
The Allies won World War I after four years of combat and the deaths of some 8.5 million soldiers as a result of battle wounds or disease.
It was a sucess