People were forced to leave the rural setting because of they were promised to have a better life in the city. People were made to believe that by working in the city they can earn more money. Because of this many men had left the city and had left the agricultural sector to the women and children. Children were forced to work in farms because they don't have a choice.
My best guess would be A. Detroit didn't matter back then, and the lakes and diversity have nothing to do with railroads sooo.... A
Answer:
Imperial expansion in Europe and Asia resulted from the increased use of gunpowder, cannons, and armed trade to establish large empires. Most of the groups that were conquered were weak or disorganized. These land based empires included the Manchu in Central East Asia, the Mughal in South and Central Asia, the Ottoman in Southern Europe, the Middle East and North Africa. The rulers centralized their power over politics, religion and the military. They also controlled trade, enriching the rulers, who created cultural monuments and stronger militaries.