领导人因素：戈尔巴乔夫的错误路线、方针和政策是苏联解体的直接原因；

Second, leader's factor: Gorbachev's wrong route, principles and policies are immediate causes why the Soviet Union disintegrates;

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领导人因素：戈尔巴乔夫的错误路线、方针和政策是苏联解体的直接原因；

Second, leader's factor: Gorbachev's wrong route, principles and policies are immediate causes why the Soviet Union disintegrates;

youdao