Which of These Statements Most Likely Comes from an Advocate

Which of these statements most likely comes from an advocate of noninterventionism?

A) The United States cannot be isolated in world affairs,but it should use its military capabilities only sparingly.
B) The United States should pressure the United Nations to be more assertive in the name of collective security.
C) The United States should participate in peacekeeping missions only when there is a clear humanitarian purpose.
D) The United States should withdraw from international institutions,but it should continue trading with other nations.