(A) Cuba
(B) Columbia
(C) ** Puerto Rico
(D) ** Philippine Islands
EXPLANATIONS BELOW
Concept note-1: -Representatives of Spain and the United States signed a peace treaty in Paris on December 10, 1898, which established the independence of Cuba, ceded Puerto Rico and Guam to the United States, and allowed the victorious power to purchase the Philippines Islands from Spain for $20 million.
Concept note-2: -The main theatres of combat in the Spanish-American War were the Philippines and Cuba. Fighting centred on Manila, where U.S. Commodore George Dewey destroyed the Spanish Pacific fleet at the Battle of Manila Bay (May 1, 1898), and on Santiago de Cuba, which fell to U.S. forces after hard fighting in July.
Concept note-3: -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. The United States also annexed the independent state of Hawaii during the conflict.