Answer:
Option: C. The belief that a strong work ethic could make a person successful.
Explanation:
The United States developed in many ways during the 1800s. The rural population proceeded to grow in the late 1800s, as well as the urban population more rapidly. People began to arrive in cities and towns to find jobs. There was a belief that by working vigorously, a person could become successful. The belief influenced small farmers to leave their hometown and settle in cities to start a new life.