It was part of FDR's New Deal program(s), it was called the Civilian Conservation Corps.
Very long story short, farming and sugar, as well as a port to china, east india and asia. and the islands were a prime place for a navel base.
Answer:
im not entirely sure, but it i think it was the slash and burn. (it might not be a system though)
Explanation:
..
The hardship that they faced was death cancer
