美国在两次世界大战中都扮演了重要的角色,它在两次大战前后期的态度都发生过从中立到参战的变化。请回答: (1)美国在两次战争中的态度发生上述变化的主要原因分别是什么? |
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(2)分析这一态度的变化对战争进程和战后世界政治格局的影响。 |
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(3)结合美国在两次战争中的表现谈谈你的认识。 |
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