The right response is D, which provides a theme in American history as an example.
<h3>What were the American eras?</h3>
Eight chronological periods in American and U.S. history are designated by the U.S. History Framework, a manual for teaching history to students in the U.S. These are the Beginnings, Colonization, Revolution, Expansion and Reform, Civil War and Reconstruction, Development of Modern America, World Wars, and Contemporary America.
The complete question is :
In the early years of the United States, almost all Americans lived in rural settings. By 1900, however, many Americans had moved to cities, especially in the urban North. A surge in immigration and the emancipation of southern slaves led these groups, in particular, to settle in northern cities.
This is an example of which theme in American history?
- A.The expansion of civil rights
- B.Progressivism
- C.Egalitarianism
- D.Changing population trends
Hence, the correct answer is option D.
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<span>A)availability of railroads to transport crops
</span>Availability of railroads to transport crops <span>was not a factor in making cotton a risky crop to grow, even if such availability makes easier to gain from the crops, the cotton was a risky crop because it is very delicate and environmental factors such as drought or insect infestation could easily kill the plant, making the investment worthless.</span>
Residents of Washington D.C.
If that's one of the answer choices
Answer: In 1834, trade barriers between German states were eliminated and this paved the way for bigger and more attractive market for producers. Mining areas boomed as demand for coal rose during this time, and this gave rise to higher incomes to the population.
