It allowed him to gain more power over the government
Explanation:
Restructuring of the south, and allowing the southern states back in
A, the black plague. This is because the mongols would invade and actually use people infected with the plague to throw over walls of towns to infect the people inside.
Truman Doctrine
In 1947, Truman pledged that the US would aid any nation in resisting the growing threat of communism to help prevent its spread.