He built up the military, and he ran up a large budget deficit. He bluffed the Soviet Union into collapse, thus ending the Cold War (and dismantled the Soviet Bloc) which if escalated would have ended the lives of countless millions, dwarfing WWI and WWII totals. Period.
Grenada was invaded in 1983, so the US President was Ronald Reagan.
President Ronald Reagan
Ronald Reagan was nicknamed "Dutch".
Ronald Reagan
Ronald Reagan was the President who ordered in invasion of Grenada in 1983.
Ronald W. Reagan served as the 40th President from 1981 to 1989.Ronald Reagan
Ronald Reagan.
Ronald Reagan
Ronald Reagan
This depends on the organization/country. See related questions.US: Ronald ReaganRonald Reagan was the 41st President of the United States from 1981 January 20 to 1989 January 20.
Ronald Reagan
He was president.