I NEED HELP WITH THIS

What role did imperialism play in world war 2

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons

What was going on with south asia before europeans came ?