question: Who undermined The League Of Nations ?
answer: bellicosity of Nazi Germany , Imperial Japan , the Soviet Union , and Mussolini 's Italy , and by the non-participation of the United States
turker_answer: Nazi Germany , Imperial Japan , the Soviet Union , Mussolini 's Italy , and the non-participating United States all helped to undermined The League Of Nations .
rule-based: Bellicosity of Nazi Germany , Imperial Japan , the Soviet Union , and Mussolini 's Italy , and by the non-participation of the United States undermined The League Of Nations .