Guam is an island in the Marianas archipelago of the Northern Pacific located between Japan and New Guinea on a north–south axis and Hawaii and the Philippines on an east–west axis. Inhabitants were Spanish nationals from 1521 until the Spanish-American War of 1898, from which point they derived their nationality from United States law. Nationality is the legal means in which inhabitants acquire formal membership in a nation without regard to its governance type. In addition to being United States nationals, people born in Guam are both citizens of the United States and citizens of Guam. Citizenship is the relationship between the government and the governed, the rights and obligations that each owes the other, once one has become a member of a nation. Though the Constitution of the United