最先是苏联在1991年十二月瓦解

The dissolution of the Soviet Union' was a process of systematic disintegration, which occurred in the economy, social structure and political structure. It resulted in the abolition of the Soviet Federal Government ("the Union center") and independence of the USSR's republics on 26 December 1991. The process was caused by a weakening of the Soviet government, which led to disintegration and took place from about 19 January 1990 to 26 December 1991.^[39][40] The process was characterized by many of the republics of the Soviet Union declaring their independence and being recognized as sovereign nation-states.

Andrei Grachev, the Deputy Head of the Intelligence Department of the Central Committee, summed up the denouement of the downfall quite cogently:

"Gorbachev actually put the sort of final blow to the resistance of the Soviet Union by killing the fear of the people. It was still that this country was governed and kept together, as a structure, as a government structure, by the fear from Stalinist times."^[41]

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• 中國以前也沒有強烈的國家概念，但有堅定的天下的信念 -松涛孤雁- ♂ (0 bytes) () 10/23/2019 postreply 17:10:55