Chapter 3: Lesson 3 One People, Many Cultures Immigrant A person who comes to live in a country from another country. The United States is a Mosaic of people. The term “mosaic” suggests that the population of the U.S. does not blend into a single culture. The culture of each group contributes to the overall culture. Immigrants came from all over the world: Britain, Spain, Africa, and Asia. The Native Americas were already here before these countries arrived. discrimination Unfair treatment because of race or other reasons. literacy The ability to read and write. pluralistic Describes a society where people share common culture traits while also maintaining many of the traditional ways of their ancestors. western The culture and customs of people descended from Europeans.