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The first people who lived in the Americas are called Paleo-Indians. That means “ancient Indians.” We do not know much about them, because they lived so long ago.
They probably moved from place to place, looking for animals and plants to eat. During the Ice Age, they hunted giant mastodons, mammoths, and long-horned bison. The Ice Age ended about 10,000 years ago. Then the climate got warmer. The large mammals died off. For the next several thousand years, people slowly adapted to the hotter, drier climate. They gathered wild plants for food and hunted bison, deer, and jackrabbits. Things changed again around 4,000 years ago. The hunters and gatherers began to plant crops. They settled down in farming villages. They raised turkeys for their meat, eggs, and feathers. Three civilizations were born: the Anasazi, the Hohokam, and the Mogollon.
