They gave money to countries, hoping those countries would adopt their form of government and to gain allies.
Explanation:
Both the U.S. and the Soviet Union gave money and assistance to other countries to gain new allies . Truman gave aid because he thought people who were frustrated and disappointed may turn to false doctrines that follow tyranny. Sometimes, the U.S. withheld aid to punish nations that failed to support its policies
Through aid and assistance US and Soviet Union decided to promote their principles and ideologies that their form of government followed. US followed capitalistic principles in its economy while it was hostile to the communist principles spread by Soviet Union.