Answer:
Assuming the options found elsewhere, one of the achievements of pre-Columbian (i think you mean Mesoamerican, not "mess") cultures would show that they had intensive architecture, which they sustained through intensive agriculture.
Explanation:
Hoped this helped:)
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ask to google or watch scary movie
a<x<b
A is less than X, which is less than b. Could also be a>x>b
