A. United States of America
M. Gorbachev was the president of USSR. He was the statesman of the former Russia which was then known as Union of Soviet Socialist Republics (USSR). He is well famous due to his foreign policy which brought an end to the Cold War and whose domestic policy introduced major reforms.
Q: When Mikhail Gorbachev was born?
Answer: Mikhail Gorbachev was born in 1931.