Pleaseee help!! Easy 10 points.

What puzzled people most about the impact of the great depression?

What country aided north korea in the korean war?

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