Why did the u. s adopt a policy of expansion

If the U.S didnt  this would lead to the inevitable break up of the Soviet Union. Since the defeat of the Nazi's the Soviets because of their communist ideology and history were considered to be the largest threat to the Western World.

Explanation:

answer: alexander hamilton

explanation: alexander hamilton was george washington's right hand man. he took an early role in the militia as the american revolutionary war began. in 1777, he became a senior aide to general washington in running the new continental army.

the government closely monitored its finances to avoid another financial collapse.