Domino theory was based on falling Domino, according to which the political events of one country affect the political events of the neighboring countries. So, we against Vietnam was influenced b this theory Due to this, Soth East Asian Treaty Organisation was made, in which alliances were made which were in favor of Iraq, in the Iran-Iraq war. But, this actually caused reverse domino effect due to which liberalism occurred. And the war in Iraq was entitled as No Domino.