The Maldives, also called the Jewels of the Indian Ocean consists of a group of 1,196 islands, the largest being no bigger than five square miles.
I believe the best answer to this is "Foreign investment".
D.Vietnam. because of those places named the only place it runs through is Vietnam
I think the inference that could be made is :
2. Earth's orbit has a greater distance between foci than the comet's orbit
both earth and comet has sun as their Foci, and from the diagram, the distance between earth and sun is far greater
Lapita and then Polynesians. :) Hope this helped.