The Union of World Nations (UWN) is an intergovernmental body of international co-operation and development of sustaining peace between the colonial superpowers and other developing independent colonies throughout the galaxy. The Union of World Nations composes of 224 member-planetary states. Representatives from the Council on Intergalactic Relations, such as Evelin Bishop, promote that the UWN should be a world government. The Colonial Sino-Soviet Union are also proponents of universal and international cooperation between nations of the Solar System.