Tensions had been brewing throughout Europe—especially in the troubled Balkan region of southeast Europe—for years before World War I actually broke out.
Answer: A. Americans were being held hostage by terrorists in Iran.
The most important factor from the options that lead to radicalized political parties was The Great Depression of 1929 (C).
The Wall Street Crash of 1929 led to a chain reaction not only in the U.S. but in many European countries as well. In the worst moments of the period, 22 to 23% of the American workforce, and 44% of German's workforce didn't have a job.
Due to the crisis, many American creditors charged loans made throughout the world; American companies stopped investing in other countries.
This generalized crisis, unemployment, and increasing misery of the population created a fertile soil on which fascist and nazi political figures fed.
It should be either one or four. My gut instinct is with one though.
One reason France sent explorers to North America in the early 1500s was to gauge the value of the land, the resources the land had as well as the hostility of the local tribes.
What is more, the main goal was to find gold in those lands, due to the fact that, that was the purpose of almost all European powers at this time. Nevertheless, there was no gold to be found in North America.