Neutral
No
During the cold war the US would support "almost" anyone that resisted communism.
The USSR supported Russia during the Cold Was.
Ireland's civil war happened between June 1922 and May 1923. It was fought between those who supported the treaty that gave independence to most of Ireland and those who did not support it.
The CIA created an airline known as Air America to support operations of the Cold War.
the warm side
Ireland was part of the British Empire during World War I so was technically part of the war, though many people did not support it while others joined the British Army. Ireland was neutral during World War II.
Ireland is not a member of NATO
The Soviet Union, ever since after the cold war, it has been known as Russia.
America supported NATO
The cold war was created by atomic power. Nothing more, nothing less.