The correct answer is B. The effects of the depression on Europe
Explanation
After World War I, the world especially Europe suffered a deep crisis in the wake of the war, for example countries as France or Belgium were destroyed, the population in Europe decreased mostly young men, the public spending for war caused economic instability, the unemployment increase and the political map changes a lot, for example, Austro-Hungarian Empire was divided into two countries: Austria and Hungary, other nations as Germany and its allies were designated as guilty of the start of the war, forced to pay a tax for the ravages of war. According to all the previous information, it can be concluded Europe was in a great depression and there was political and economic instability which causes that some nations started World War II, especially those that had been humiliated and did not agree with the terms of the Treaty of Versailles signed at the end of the first war. So, the correct answer is B. The effects of the depression on Europe.