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Answer:
D. depopulation
Explanation:
During the late 19th century, many changes took place in the United States. The Industrial Revolution brought about industrialization, which led to the development of cities and the establishment of factories. These attracted workers from rural areas and abroad, leading to the processes of urbanization and suburbanization. However, depopulation did not take place. Instead, the population of the country increased due to the influx of immigrants.
The war which occurred in the mid-1800s that weakened the economy of the Ottoman Empire was the Russo-Turkish War, led by the Turks on one side, and Russia, Bulgaria, Romania, Serbia, and Montenegro on the other.
Answer:
Although initially disregarded by the great powers of Europe, the Monroe Doctrine became a mainstay of U.S. foreign policy. In 1823 U.S. President James Monroe proclaimed the U.S. protector of the Western Hemisphere by forbidding European powers from colonizing additional territories in the Americas.
Railroads played an absolutely crucial role in the Industrial Revolution, since they made for the incredibly fast transfer of goods such as iron and steel that were used to build things--not to mention the transport of the workers themselves.
