[判断题]选择型竞争者不对竞争者的任何攻击行为进行反击。

A
The establishment of the Third Reich influenced events in American history by starting a chain of events which culminated in war between Germany and the United States. The complete destruction of democracy, the persecution of Jews, the war on religion, the cruelty and barbarism of the Nazis, and especially the plans of Germany and her allies, Italy and Japan, for world conquest caused great indignation in this country and brought on fear of another world war. While speaking out against Hitler’s atrocities, the American people generally favored isolationist policies and neutrality. The Neutrality Acts of 1935 and 1936 prohibited trade with any belligerents or loans to them. In 1937, the President was empowered to declare an arms embargo in wars between nations at his discretion.
American opinion began to change somewhat after President Roosevelt’s "quarantine the aggressor" speech at Chicago (1937) in which
A. because Germany declared war
B. because Japan was an ally of Germany
C. after Germany had signed the Nazi-Soviet Pact
D. after peaceful efforts had failed