How was nuclear blast in chernobyl calmed

The Chernobyl accident in 1986 was the result of a flawed reactor design that was operated with inadequately trained personnel. The resulting steam explosion and fires released at least 5% of the radioactive reactor core into the environment, with the deposition of radioactive materials in many parts of Europe.

Explanation:

answer; i believe the correct answer is (favorable balance);

c. free trade can lead to low pay for workers in poorer countries.