Question

which of the following describes an effect of the spanish-american war?
cuba became a us territory.
puerto rico became a us territory.
the philippines was returned to spanish control.
the united states traded the philippines for the island of guam.

Explanation:

After the Spanish-American War (1898), the Treaty of Paris transferred control of Puerto Rico, Guam, and the Philippines from Spain to the U.S. Cuba gained nominal independence under the Platt Amendment, not becoming a U.S. territory. The Philippines was not returned to Spain, nor was it traded for Guam.

Answer:

Puerto Rico became a US territory.