The Yellow and Yangtze Rivers
The correct answer is D.
Many of the European countries involved in the era of imperialism had a large standing army. Countries like Great Britain and France had been around for centuries and built a strong military. The other three are all important factors that lead to the increase of imperialism in the 1800's.
<span>a decrease in alcoholism and an increase in organized crime</span>
This society is a close agricultural civilization where vassals worked on fiefs owned by lords. In this system, the lords would receive a payment in terms of gold and produces that are nurtured by the vassals. Then, these Lords will then protect these people from invaders and thieves
