The Treaty of Paris (1898) officially ended the Spanish-American War. The United States acquired Guam, Puerto Rico, and the Philippines as territories. Cuba technically gained its independence, but United States soldiers remained in the country for years, commonly intervening in the new nation's politics.
U.S. victory in the war produced a peace treaty that compelled the Spanish to relinquish claims on Cuba, and to cede sovereignty over Guam, Puerto Rico, and the Philippines to the United States.
Although Muslims rarely forces other people to convert to Islam, most of the religious spread happened through military strength and conquest, which was the order of the day.