B is the answer.
Correct me if i'm wrong
but pretty sure i'm not
World War I (1914–18): Causes Although the United States<span> did not enter World War I until 1917, the outbreak of that war in 1914, and its underlying causes and consequences, deeply and immediately affected America's position both at home and abroad. In the debate on </span>neutrality<span> and later on peace aims, much was made of European secret diplomacy, which was rejected on the U.S. side of the Atlantic, of militarism and the escalating arms race before 1914, and of the impact of colonialism. Undoubtedly, all these factors contributed to the origins of the European catastrophe, but they do not explain why the war broke out when it did. This question can only be answered more precisely by looking at the political and military decision‐making processes in the last months, weeks, and days of peace in 1914.</span>
After decades of stagnation and stagnation, unexpected outbreaks in more than one Arab country, popular revolutions overthrew regimes, shook the throne of other systems, and created a new reality at the political and social level was not quickly formed and the depth of the changes to notify the most optimistic observers, in late 2010 The beginning of 2011 erupted a wave of revolutions and protests across the Arab world began with Mohamed Bouazizi and the Tunisian revolution, which sparked the spark in many Arab countries and known that period in the Arab revolutions. One of the reasons for these sudden protests is the spread of corruption, economic stagnation and poor living conditions, as well as political constraints and overall poor conditions in the Arab countries.