Why did the united states insist that the platt amendment be added to cuba'?

The Platt Amendment, an amendment to a U.S. army appropriations bill, established the terms under which the United States would end its military occupation of Cuba (which had begun in 1898 during the Spanish-American War) and "leave the government and control of the island of Cuba to its people."

answer; william penn's approach made the colony diverse by attracting many types of people and religions;