Answer:
Correct answer is B) Neutrality Acts.
Explanation:
A is not correct as this Plan was adopted after WW2 to help European countries.
B is correct as during the 1930s adopted a couple of documents according to which they will not interfere in the conflicts of other countries.
C and D are not correct as this refers more to the policy of United States towards Latin America. Both documents were adopted to prevent colonization of this region and strengthening the role of US.