What role did the mountain men play in westward expansion?

The formation of business monopolies in the late 1800s was made possible by the (1) effects of laissez-faire policies (2) passage of federal antitrust laws (3) elimination of the free-enterprise system (4) adoption of socialist economic practices

Explain the importance of president harry truman's order to integrate the u.s. military and the federal government.

Where did khomeini seize power in 1979?