Homeostasis of Human Society
So I was thinking about Russia, right, and between Imperial Russia, the Soviet Union, and modern Capitalist 'Democracy' Russia, you have three wildly different governmental structures and ideologies, but somehow they all seem more like each other than they do like anything else, implying some kind of homeostatic mechanism that keeps a society more or less in equilibrium even as you poke at it, for better or worse.
So while the "USSR only collapsed due to Western conspiracy" argument became quite popular since 2010 revival of Russian imperialism, back in 1990 the reasons for its collapse were obvious for everyone, and especially for anyone living in Eastern Europe. The truth was that USSR foreign policy was extremely aggressive and assumed absolute supremacy of Marxist socio-economic system, even while secretly taking loans from Western countries.