【单选题】 What was the main cause of the Second World War?【】（学历考试,高等教育自学考试,文学类,00522《英语国家概况》试题）
来源： 文学类 00522《英语国家概况》 高等教育自学考试 学历考试
【单选题】 What was the main cause of the Second World War?【】
AThe main cause was big power struggle for control of the world.
BIt was the worldwide economic crisis.
CIt was the military expansion of Japan,and Germany.