对着乌克兰独立宣言的具体内容和俄乌的前后历史脉络,看看哪个是哪个的充分条件。要是你一时找不到的话,可以直接看拉夫罗夫的发言,他都帮你整理好了。阅读英文有困难或者实在懒得看的话,就直接看最后一句:“So we have no problems with territorial integrity of Ukraine. This was destroyed by those who carried out and supported the coup, whose leaders declared war against their own people and who began to bomb their own people.”