The signing of the montevideo accords, withdrawing troops from haiti, and the cancellation of the platt amendment during franklin d roosevelt's presidency were part of which of the following?
a)good neighbor policy
b)lend lease act
c)tripartite pact
d)neutrality act of 1939

The signing of the Montevideo Accords, withdrawing troops from Haiti, and the cancellation of the Platt Amendment during Franklin D. Roosevelt's presidency were part of A. Good Neighbor Policy. 
It was a policy which started in the United States of America so as to improve relations with Latin America.

1. the spread of reform movements aimed at perfecting american society

  the domino theory states that  if one country in a region came under the influence of communism, then the surrounding countries would follow in a  domino  effect.