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Which BEST explains how the American System linked the North, South, and West through economic expansion?

A The System encouraged Americans to buy American, to establish a sovereign credit, and to improve infrastructure.
B The System encouraged Americans to invest in the stock market, to spend prudently, and to boycott all toll roads.
C The System encouraged Americans to spend more on imports, to take out private loans, and to establish toll roads.
D The System encouraged Americans to save their money in the national bank, to refrain from taking out private loans, and to invest in roads and highways.

The fast urbanization, or influx of people into cities, was brought about by the Industrial Revolution. Numerous individuals moved from fields to cities as a result of changes in farming, rapid population increase, and a growing need for employment. Small communities around coal or iron mines grew into cities almost immediately.

Explanation:

What are the economic effects of industrialization?

Agriculture and handicrafts had been the foundation of economies before the Industrial Revolution, which replaced them with a focus on large-scale manufacturing, mechanized production, and the factory system. Existing industries become more effective and productive as a result of new tools, power sources, and labor arrangements.

Cities in the United States grew quickly, and the market economy was expanding at a rapid rate thanks to industrialization and significant transportation advancements. It also influenced the growth of a sizable working class in American society, which eventually gave rise to strikes and labor conflicts led by both working men and women.