Answer: Competition to develop strong economies and build large empires.
During the 19th century, England was the main imperialist power in the world and the strongest economy. However, by the beginning of the 20th century, several other nations had become wealthier and more influential in the international arena. France, Prussia (Germany), the United States and Japan were all modernizing quickly. This led to increased competition for colonies, and the resources these provided. One of the most famous examples was the Scramble for Africa. All this competition contributed to rising tensions in the years leading up to World War I.
The correct answer is - Competition to develop strong economies and build large empires.
There were lots of tensions in Europe about the shares that each colonial country had on the other continents were the natural resources were abundant. While some considered that they had won this territories fair and square, others were on the opinion that they should get some of the colonies under their control. The background of this was of course the economy, and the competition between the nations to be wealthier, military stronger, and enlarge their territories. Unfortunately, these tensions led to a World War.
I believe the answer would be b and c because African Americans were considered property in the south and wanted freedom and equality which is why they joined the war in the first place
