The correct answer is <span>c. transported groundwater from a distance
It wasn't the first known use of wells as wells older than them were found in places like Cyprus and Egypt and Austria who were as old as 6000-8000 years before common era. It also wasn't a postindustrial system as it was used in ancient china in the expansion of trading during the silk road trading era. It only leaves C as the correct answer.</span>
Own a slave in The US, and buy or sell slaves.
Answer:
Hajj
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