Respuesta :
The main reason behind the necessity of Marshall's plan for U.S leaders was the "danger that some European countries might become communist" option D is correct regarding the question
Why Marshall's plan was necessary?
Marshall's plan was necessary for U.S leaders because the leaders were concerned about the expected poor economic state of the nation similar to the post World war I.
The Marshall's plan funded many European countries to cope up from the influence which USSR was trying to create on weaker nations.
Therefore, The main reason behind the necessity of Marshall's plan for U.S leaders was the "danger that some European countries might become communist" option D is correct regarding the question
Learn more about Marshall's plan here:
brainly.com/question/1373135