Why was America’s isolation from Europe and Asia for much of its history an advantage?
Isolation meant that the United States did not get drawn into wars and conflicts in Europe or Asia and was free to develop without outside interference.
Describe the major waves of immigration to the United States.
The first major wave came in colonial days. The early republic and was composed of mostly western and northern Europeans. In the late nineteenth and early twentieth centuries, large numbers of southern and eastern Europeans came to the United States. In recent decades, an increasing number of immigrants have come from Latin America and Asia.
How can diversity and unity fit together?
Americans come from a wide variety of cultural and ethnic backgrounds and, while often valuing the old traditions and customs, fully support the ideals of the American political culture.