What Has Been a Result of the Traditional American Distrust

What has been a result of the traditional American distrust of diplomacy?

A) The budget and personnel at the State Department has been drastically cut since the end of the Cold War.
B) Presidents often use military or political leaders outside the State Department during a crisis.
C) The United States has closed down embassies in many nations since the mid-1990s.
D) Foreign ambassadors demand much more from the U.S. president than in the past.