I am pretty sure its D. I am not 100% positive but I read an article and that appears to be correct.
Answer:
coastal erosion, potential impacts of sea level rise, water quality deterioration, and sea water intrusion.
John C Calhoun
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Answer:
A. Guam, Puerto Rico, Philippines
Explanation:
When Spain was defeated, Cuba gain their independence and the U.S. gained Puerto Rico, Philipnes, and Guam. This also made the U.S. become a political power in world affairs.