Answer:
Communism
Explanation:
The United States' main concern during the Cold War was communism. The Cold War was not a traditional war. It was "cold" because the U.S. and the Soviet Union did not fight each other directly. ... Leaders of both countries worried that the other would use the atomic bomb to turn the Cold War into a real war.
Johann de Kalb and Friedrich <span>Von Steuben would have helped train soldiers at that time.</span>
Passed it without making changes is the correct answer.
Harry Truman established a policy that was named after him and that declared the U.S would help any nation resists communism