Social Studies - Chapter 1 Study Guide What is the theory about how early people migrated from Asia to the Americas? Why did early people migrate from Asia to America? How did Americans get food during the Ice Age? Where did most early people live during the Ice Age? What happened to early people when the large Ice Age animals died out? How did agriculture affect the way of life of the early people? What was the purpose of the mounds built by the Mound Builders? The Mound Builders were able to build enormous structures. What does this tell us about them? Name three things that the Anasazi are known for. Why were the Anasazi successful farmers in the desert? What Native American group traveled from Asia to America 2,500 years ago, and made their home near the Arctic Ocean? Name three things that the Inuit are known for. Social Studies - Chapter 1 Study Guide The Maya were very successful in what area: farming, hunting, fishing, or psychology? What was the result of the Mayan food surplus? What did the Mayas develop as a result of their study of the movements of the sun, moon, stars, and planets? How did the Aztecs get more land for farming? How did the Aztecs extend their borders to reach from the Atlantic to the Pacific Oceans?