The correct answer should be <span>The Americans strengthened the Allied counterattacks
Their weapons were not as far superior as it was with nuclear weaponry in world war 2 nor did they have more experience in trench warfare since trench warfare was a new concept for all sides in world war 1. They sent soldiers and other types of aid like medical aid to help the effort.</span>
This is what the branches do -
Executive- Enforces Laws (consists of the President)
Leg. - Makes Laws
Judicial - Determines the Structure of federal jurisdiction
So the answer to your question is, Executive.