Edited sentence: In 1917, Puerto Ricans were granted American citizenship.Mainstream American culture has slowly infiltrated the island bringing with it not only the English language but American television, the American military, Burger King, and Santa Claus.Puerto Ricans have returned the favor by providing a Caribbean flavor to big cities like New York, Chicago, and Philadelphia; inventing Salsa music in the clubs of the South Bronx; and providing celebrity watchers the sounds and beauty of Jennifer Lopez.Puerto Ricans, American citizens by birth, are fiercely loyal to their island but just as proud to be Americans.Since then, Puerto Ricans have continued a unique bilingual, bicultural, and bicoastal identity by speaking both English and Spanish, celebrating both a quicincera and a sweet 16, and constanly moving (or visiting) back and forth from the island.Spain ceeded Puerto Rico to the United States as a result of the Spanish-American War in 1898