hich of these asserted that the United States had the right to intervene in the affairs of neighboring American countries, to counter threats posed to its security and interests?

Question

A)
The Fourteen Points
B)
The Truman Doctrine
C)
The Roosevelt Corollary
D)
The Good neighbor Policy

Answer 1

The Roosevelt Corollary is closest to the "right" answer, but frankly, it is a stretch.
http://en.wikipedia.org/wiki/Roosevelt_Corollary

Answer 2

The Fourteen Points was President Wilson's proposal for peace following World War I.

Check these articles to find your answer.

http://www.spartacus.schoolnet.co.uk/USAtrumanD.htm

http://en.wikipedia.org/wiki/Roosevelt_Corollary

http://en.wikipedia.org/wiki/Good_Neighbor_policy

Answer 3

The Truman Doctrine