Which U.S. territory, located in the western Pacific Ocean, was acquired from Spain in 1898 and is the largest island in Micronesia?

• A Puerto Rico
• B Samoa
• C Guam ✓
• D Northern Mariana Islands

Guam, an unincorporated territory, is a strategic military outpost with Andersen Air Force Base and Naval Base Guam playing key roles in Pacific operations.