what is the most important reason that made the League of Nations failed?
问题描述：
what is the most important reason that made the League of Nations failed?
不是翻译
答
是翻译吧：
what is the most important reason that made the League of Nations failed?
使联盟失败的最重要原因是什么?不是翻译 是一道题Unable to stop the war and aggression不能停止战争和侵略