While the South utilized slavery to sustain its culture and grow cotton on plantations, the North prospered during the Industrial Revolution. Northern cities, the center of industry in the United States, became major metropolises due to an influx of immigrants. With this willing and cheap workforce, the North did not require a slave system. Although some northerners found the institution of slavery morally reprehensible, most did not believe in complete racial equality either. Slavery became even more divisive when it threatened to expand westward because non-slave holding white settlers did not want to compete with slaveholders in the new territories.
D would be the best answer
Answer:More canals and railroads meant that more ways could be found to delivers raw materials and finished goods.
Explanation: hope this helps:)
Colonialism intensified after World War I because colonial powers such as England and France emerged from the war weakened and close to bankruptcy. Consequently, they believed that colonialism would help them on their path to economic recovery and survival as international powers.
