During the second industrial revolution, railroad expansion increased white settlers in the West and more secluded areas away from cities.
Option d is correct.
<h3>What is the railroad?</h3>
The railroad is a track or system of tracks made of steel rails that carry passenger and freight trains.
It is a system of tracks with the trains, administration, and forces necessitated for its workings.
The growth of railroads in the west during the second industrial revolution boosted the number of white settlers, and the more secluded areas away from cities
Therefore, option d is correct.
Learn more about the railroad, refer to:
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The unified group of countries known as the Communist Bloc were located in Eastern Europe with some stretching into Central Europe. These countries were those that were aligned with the Soviet Union under the Warsaw Pact.
The theory that is associated with the outcomes that show the difference between older people and younger people's responses and income levels on attitudes about policing in a community inhabited by people of one race and ethnicity is <u>racial profiling</u>.
<h3>What is racial profiling?</h3>
Racial profiling is a stereotypical assumption or theory based on race, color, ethnicity, age, etc. Racial profiling differs from criminal profiling.
Criminal profiling concentrates on the actual commission of crimes.
Thus, the theory that is associated with the outcomes that show the difference between older people and younger people's responses and income levels on attitudes about policing in a community inhabited by people of one race and ethnicity is <u>racial profiling</u>.
Learn more about racial profiling in community policing at brainly.com/question/4527841
