Puerto Rico, an island in the Caribbean Sea, has been a territory of the United States since 1898, after the U.S. defeated Spain in the Spanish-American war. It’s classified as an “unincorporated territory,” meaning the island is controlled by the U.S. government but is separate from the mainland.
Puerto Ricans by birth have American citizenship and can move freely between the island and the U.S. mainland. But unlike Hawaii, Puerto Rico is not a state. That means it does not have voting power in Congress and its citizens can’t vote for the U.S. president — but they can