Answer:
It was one of the largest nuclear catastrophes ever, that contributed to the fall of Soviet Union.
Step-by-step explanation:
Catastrophe that happened in today's Ukraine in 1986 was one of the greatest hits Soviet Union took during the period of Cold War. Even president Gorbachev proclaimed that Chernobyl was introduction to the fall of Soviet Union. Even 35 years later people are not allowed to settle in this area, and it will be like that in centuries to come.