Answer :
The first Gulf War was a conflict between Iraq and a coalition force in place by the United Nations. The primary cause was the Iraqi army's sudden invasion of Kuwait. A.
The 1991 Persian Gulf War was a conflict between Iraq and a coalition force of 34 nations mandated by the United Nations and led by the United States.The lead up to the war began with the Iraqi invasion of Kuwait in August 1990 which was met with immediate economic sanctions by the United Nations against Iraq.The answer is A.