Each of the Following Was a Component of U

Each of the following was a component of U.S. diplomacy between the world wars EXCEPT

A) reaction to a Japanese takeover of Manchuria with nothing more than refusal to recognize an act that violated international agreements or open-door principles.
B) becoming a good neighbor to Latin America by using economic influence rather than military intervention.
C) joining collective efforts to block German and Japanese aggression.
D) passing legislation meant to help secure U.S. neutrality.