Your answer is :
catamarans.
compasses.
mapmaking.
hope this helped you
Answer: One by one, the Classic cities in the southern lowlands were abandoned, and by A.D. 900, Maya civilization in that region had collapsed. Finally, some catastrophic environmental change like an extremely long, intense period of drought–may have wiped out the Classic Maya civilization.
Explanation:
The answer is the bill of rights!
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