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mathmatic, and astronomy
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Independent
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Established there own small kingdom
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in 1428 they joined two other city-states, texcoco,and hacopan.
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the incans empire was the height of its glory
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Ruled an empire the streched 2,5000 miles along the west coast of south america.
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Echange salt,shells, and honey
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Houses were built in shallow caves
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Begining to farm
