Multiple choice general knowledge history 34 countries fought against one nation to help Kuwait on the year 1990. Gulf War Peninsula War War of Middle-East Vietnam War Reveal answer Fill a bubble to check yourself A Correct answer Explanation In 1990-1991, a US-led coalition of 34 countries fought against Iraq in the Gulf War to liberate Kuwait after Iraq's invasion. The Peninsula War (1808-1814) was in Spain, and the Vietnam War (1955-1975) was in Southeast Asia.