SAT English Practice Question

A large-scale shift in the American economy occurred during the late 19th century. Prior to the Industrial Revolution, most Americans worked in agriculture. However, the demand for industrial goods, such as textiles and steel, increased, and factories sprung up throughout the nation. This rapid industrialization led to the emergence of large cities and a mass migration of people from rural areas to urban centers. The Industrial Revolution transformed the United States into a nation of factory workers, and the country’s economy became more reliant on manufacturing. What is the purpose of the third sentence in the passage?

1. A.explain the causes of the Industrial Revolution.
2. B.describe the effects of the Industrial Revolution.
3. C.provide an example of the Industrial Revolution.
4. D.offer a historical context for the Industrial Revolution.