Answer:
A would be the best in my opinion.
Explanation:
Although it lacks the "then" it is the closest to the "if...then..." format. It also shows you independent and dependent variable and what you believe will happen.
D Is definitely wrong because it is a question.
Sorry if I'm wrong! Please let me know for my curiosity sake if I was right.
I think the answer is A like the first one.
Answer: 1 prevent the spread of communism
2 help and country that resisted communism
3 money to aid Europe and contain the spread of communism
4 the united states would basically be be by their side