Option D: The Maya used natural waterways as trade routes.
Mayan Trade
The Maya had a bustling trade in prestige items as early as the Middle Preclassic period (about 1000 B.C.). Different sites in the Maya region produced gold, jade, copper, obsidian, and other raw materials. Items made from these materials are found at nearly every major Maya site, indicating an extensive trade system.
Where did Mayan's trade?
Merchants traded cacao beans throughout Mesoamerica not only in the Maya lands but also to the Olmec, Zapotec, Aztecs and elsewhere. Merchants also traded in raw materials including jade, copper, gold, granite, marble, limestone and wood.
Thus, the influence of geography was that the Mayan used natural waterways as trade routes.
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