The correct option is B Chernobyl Nuclear Power Plant
During the last phase of the USSR, a major accident took place in its nuclear plant in Chernobyl. This caused the death of a large number of workers in Chernobyl. But more important, it contaminated the atmosphere of a very large region including many other countries of Europe. Its effects created a new awareness among the people of the world about the danger of nuclear power whether for peaceful or warlike purposes.