Final answer:
America is called the "Great Melting Pot" due to its diverse population, where people from various backgrounds come together to form a harmonious society.
Step-by-step explanation:
America is called the "Great Melting Pot" because of the diversity amongst its population. The term refers to the assimilation of various ethnicities, cultures, and languages into a single American identity. Just like ingredients in a stew, people from different backgrounds come together to create a harmonious and diverse society.
Learn more about Cultural diversity in the United States