Answer: To analyze it deeper.
Explanation:
Just explode your facts and rewrite it in your own words
D prepare you for emergency situations and help you avoid collisions
<span>If you flew from Hanoi to Manila you would cross the South China Sea.</span>
I believe the answer is: Confederation
Confederation inherently consist of different oganizations who decided to be a part of a certain alliance in order to fight for a certain things that they need/wants. In united states, confederation among states was form once in order to fight for their rights to maintain slavery.
The Answer Is B (South Asia)
Hope This Helps !