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long period of extreme cold, with large areas of Earth covered with sheets of ice: about 20,000 years ago |
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narrow stretch of water that separates Asia from North America; during the Ice Age this was uncovered, forming a land bridge linking Asia and North America called Beringia |
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What is a theory about how early people came to the Americas? |
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Early people migrated across Beringia (the land bridge linking Asia and North America), following mammoth and caribou. Another theory is that they came by boat. |
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3 groups of Indians (the Adena, Hopewell, and Mississippians) that built huge mounds for burial places and religious ceremonies |
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Indian group that lived in the Four Corners area of the Southwest |
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food grown by the Anasazi |
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corn, beans, and squash (CBS) |
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another name for the Anasazi due to their living in houses built into the sides of a cliff |
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apartment-style buildings several stories high on the top of mesas for protection |
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famous Anasazi community built into steep cliffs in Colorado |
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long period without rain; possibly the reason the Anasazi left the Four Corners area |
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method used by the Anasazi of digging ditches to carry water from streams to their crops; the Anasazi were the first to use irrigation in America |
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Indian group who lived near the Arctic Circle, hunting whale, walrus, and seal in kayaks and living in igloos |
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Indian group in present-day Mexico |
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culture with organized system of government, religion, and learning |
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more food that was needed to feed their own family; this could be traded for other things they needed |
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do only one kind of job; because the Maya had a surplus, they were able to specialize |
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developed an accurate calendar, skilled at math, built pyramids, developed a system of writing |
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Indian group that built Tenochtitlan |
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group of lands and peoples ruled by one leader; the Aztec empire stretched from the Atlantic to the Pacific |
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payment demanded by rulers from the people they rule; people in the Aztec Empire had to send gold and valuables to Tenochtitlan |
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practice of holding people against their will and taking away their freedom; the Aztecs enslaved people given to them as tribute |
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Indian group in South America |
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the capital of the Inca empire |
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