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.
It's a because during the middle ages kingdoms conquer other nations by the numbers as soon as the child has education he (I say he because they didn't allow women to have education back then) he will enlist into one of the European nations and fight.
The part of China that Japan invaded in 1931 was known as "Manchuria," and they did this mostly in order to gain precious natural resources that they greatly lacked.
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c and a i know i promise if i get it right can u plz make me brainiest
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