Answer:
C) formed long-distance trade routes.
Explanation:
A, couldn't be correct due to the fact that Mayans used pictures and art as a form of writing so that isn't an option. B, is incorrect because the Mayans, Incas, and Aztecs were more like outcast. D, is false because they don't speak the same language. Hence C is the only option that they all have in common.
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