What happened to the Soviet Union happened mainly for domestic reasons. It was a failure of the model based on a command economy and dictatorship. The rejection of freedom and democracy, the decisionmaking monopoly of one party, and the monopoly of one ideology all had a chilling effect on the country. That model turned out to be incapable of making structural changes. It did not open up ways for initiative and was overly centralized.
Mikhail GorbachevGentlemen, comrades, do not be concerned about all you hear about Glasnost and Perestroika and democracy in the coming years. They are primarily for outward consumption. There will be no significant internal changes in the Soviet Union, other than for cosmetic purposes. Our purpose is to disarm the Americans and let them fall asleep.
Mikhail GorbachevAn awareness of the need for some kind of global government is gaining ground, one in which all members of the world community would take part.
Mikhail GorbachevThe market came with the dawn of civilization and it is not an invention of capitalism. ... If it leads to improving the well-being of the people there is no contradiction with socialism.
Mikhail GorbachevThe social model of the Bolsheviks failed, as will any model that denies individual rights, intellectual freedom, and freedom of competing political parties. Without these freedoms and rights, there is no motivation for people to work. Such a system cannot be sustained, especially in light of the technological revolution of the information era.
Mikhail Gorbachev