Answer:
Spain
Explanation:
Here's an article going in-depth: https://history.house.gov/Exhibitions-and-Publications/APA/Historical-Essays/Exclusion-and-Empire/The-Philippines/
To be honest I'm not that good at explaining things when it comes to history :)
A, the Aral Sea, which is a body of water that is shrinking so fast many are calling it "one of the planet's worst environmental disasters."
B: a few kilometers below the earth's surface.
Skip the problem and go to another one