The correct option is A America
Union Carbide India Limited (UCIL) was a chemical company established in 1934. UCIL is a company belonged to America. In 1970 UCIL built a pesticide plant in Bhopal, India, which gained worldwide attention as a result of the Bhopal gas tragedy. On December 3, 1984, a release of methyl isocyanate gas immediately killed approx three thousand people and led to the death of more than fifteen thousand in subsequent weeks.