Does US Foreign Policy Today More Closely Reflect the Isolationist or or the Expansionist

Does U.S. foreign policy today more closely reflect the isolationist or the expansionist model?

A) Because the United States no longer participates in armed conflicts in other countries, it reflects the isolationist model.
B) It reflects the isolationist model because the United States only participates in the world economically, and not militarily or politically.
C) Because the United States participates in affairs throughout the world for its own benefit, it reflects the expansionist model.
D) Because the United States only participates in the other countries' struggles for freedom, and not for any U.S. gain, it reflects the expansionist model.
E) It reflects the isolationist model because the United States tries to establish its influence only in the Americas.