Why did the Cold War prompt the U. S. to get involved with Cuba?

What principle did president truman invoke in sending u.s. troops into south korea without first asking congress to declare war?

The major impact third parties have on presidential elections has been to.. a. encourage larger vote turnout b. recruiter leader from the democratic and republican party to run for president c. generate increased party identification among the electorate d. developing issues that are later adopted by the major political parties e. drawn off of votes from the major parties to throw election into the house representatives

Yugoslavia a: nato b: warsaw pact c: not a member of either alliance