What did archeologists learn from studying the graves and shelters at Chaco Canyon?

By examining graves at Chaco Canyon, archaeologists found evidence of warfare, cannibalism and scalping. There was also evidence that shelters were built in protected places, possibly to defend themselves against enemies.

Explanation:

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men and women were able to be citizens, but women did not have all of the rights of men including voting and holding office. slaves could be if they were freed.