美国参战促进了全球力量格局的变化，影响深远，历史长河中意义深重。黄色视屏

　　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)