Final answer:
The United States annexed Guam, Puerto Rico, and the Philippines after the Spanish-American War.
Step-by-step explanation:
The three territories that the United States annexed at the end of the Spanish-American War were:
- Guam: Guam is an island in the Western Pacific Ocean and is an organized, unincorporated territory of the United States. It was ceded to the United States by Spain in the Treaty of Paris in 1898.
- Puerto Rico: Puerto Rico is an island in the Caribbean Sea and is an unincorporated territory of the United States. It was also ceded to the United States by Spain in the Treaty of Paris in 1898.
- Philippines: The Philippines is an archipelago in Southeast Asia and was a colony of Spain. After the Spanish-American War, the United States purchased the Philippines from Spain for $20 million.
Learn more about United States territories after the Spanish-American War