美国在多次战争中参与，捍卫自由与和平，展现出强大的军事力量和国际责任。见闻录

　　In this final installment of the "Why We Fight" propaganda series, the subject focuses on the United States of America. We learn of its good qualities and the things worth fighting for. With that established, we learn of the history of the United States' population shifting opinion towards siding with the Allies against the Axis until the attack on Pearl Harbour which brought A... (展开全部)