Answer:
Diversity of people expands the potential for problem-solving that leads to economic growth. ... When people immigrate to America, they are more likely to exercise a entrepreneurial spirit that enriches the economic environment.
The blending of cultural backgrounds and ethnicities in America led to the country. Becoming known as a "melting pot." As the third largest country in both area and population, America's size has enabled the formation of subcultures within the country.