Which of the following offers an accurate analysis of the U.S.ms responses to various crises in the Middle East?

Which answer is it?:
1. The U.S. always achieved its objectives because it was the builder of international coalitions.
2. The U.S. engaged in military conflict only because overwhelming force was the only way to achieve its goals.
3. The U.S. engaged in both war and efforts at peace depending on the circumstance and nature of the crisis.
4. The U.S. used peaceful diplomacy only because military engagement risked too many lives.

3. The U.S. engaged in both war and efforts at peace depending on the circumstance and nature of the crisis.