The invasion of South Korea galvanized the world community into a remarkable display of collective support. Forty-nine nations and scores of private organizations contributed supplies, food, and equipment. Five more countries provided medical units. Most important, fifteen nations from Asia, Africa, Europe, and the Americas joined the United States in sending armed forces to Korea.
"Coalition Forces in the Korean War,"
Naval War College Review: Vol. 47
, Article 4.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol47/iss4/4