There are several ways in which nationalism, imperialism, and militarism helped set the stage for World War I, but it general it made each European country feel that it was superior to the others.
The correct answer should be A: there is no single best career path.
Sure if you want to become an actor you have higher chances if you go to an acting school, for example, but there have been countless examples of non-schooled actors who just went to auditions or who worked as waiters and got seen in a restaurant and were hired. You should always keep your eyes open for all options.
European goods, ideas, and diseases shaped the changing continent. As Europeans established their colonies, their societies also became segmented and divided along religious and racial lines. Most people in these societies were not free; they labored as servants or slaves, doing the work required to produce wealth for others.
Explanation:
The main reason why the United States was able to assert itself on the World Stage after WWII was because the US emerged from the war with an incredibly high GDP, thanks mostly to war-time spending. This allowed the US to act as a world leader because so much else of the world had been crippled economically.