The right answer for the question that is being asked and shown above is that: "the Boris Yeltsin-led coup of the government." The Soviet Union ceased to exist in December 1991 due in part to the Boris Yeltsin-ledcoup of the government
Ixon won and became vice president then later became president
The company that committed the My Lai massacre was from the United States. However, if you're asking who the My Lai massacre was committed against, your answer would be Vietnam.
Hope I could help.
John Quincy Adams is the secretary of state in 1819.