The Treaty of Versailles placed the blame for World War I on Germany, since Germany had been the main aggressor. It also put heavy reparations of Germany that were impossible to pay off. <span />
Since it killed a bunch of people, it made people less connected to the outside world and some lost faith in religion all together. Eventually it brought about medical changes<span />
The answer is most likely A.
The "New Imperialism [Era]" refers towards European, American, and Japanese (for the most part) overseas territorial expansion. This includes the American pacific islands such as American Samoa, the Japanese puppet states and islands in the Pacific, and the Scramble For Africa by Europe.
Keep the global temperature increase to less than two degrees Celsius