Economic failures and years of warfare the chernobyl disaster perestroika and gladnost mikhail gorbachev all of these factors contributed to

Economic failures and years of warfare, the Chernobyl disaster, perestroika  glasnost and Mikhail Gorbachev all of these factors contributed to the collapse of the Soviet Union or USSR in the year 1991. Some of these incidents had a direct impact on the breaking of USSR into several countries, while others had a direct role.

I'll go with that

Ithink it iscommunism?