Believe it might be D) The believed in social contract theory
The summer rains and bad weather in Europe in the early 14th century resulted in a famine. The weather made the crops fail and people depended on those crops to eat, without them they would starve. The correct answer is A.
It was the first eastern victory over western great powers. Before that war, Europeans were believing that no other race can in a war or science. And it spread asian nationalism. It proved Japanese power and imperialism. After that war no other great power could annex a country without japanese acceptance. After war Japan annexed Korea and a few years later Manchuria. The war stopped russian aggression in far east and weakened tsardom.
Industrialization interested the Europeans- they saw Africa as a place to get resources for their own industrial ambitions, where nations could compete for new markets for their goods, and where they could get many raw materials.