Gorge Washington warned that political parties would lead to a dangerous division within the United States--which he believed would make the US vulnerable to disputes and foreign attacks. He ultimately thought that political parties would weaken the nation.
Answer:
socialism.........!!!!!!!!!
More generally, the Truman Doctrine implied American support for other nations allegedly threatened by Soviet communism. ... Truman told Congress that "it must be the policy of the United States to support free people who are resisting attempted subjugation by armed minorities or by outside pressures.