Masses of former slaves were needed to work for landowners, housing already existed
Japan never actually attacked (so: also never conquered) the parts very far away from it: it never attacked Eastern Europe (we reject option 1), nor did it attack Turkey (we reject option 3) and it did not attack India (we reject option 4).
the correct option is the remaining one: 2.
<span>The Japanese reached Guadalcanal in May 1942. When the allied forces spotted construction of an airfield on Guadalcanal, It was one of the most hotly contested campaigns for control of the ground, sea and skies of the war. Guadalcanal became a major turning-point in the war as it stopped Japanese expansion.
-Wikepedia
This should answer all your questions. I hope it helped. Have a great night!
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