Tea was not only used as a beverage but also for medicinal purposes, paper and printing allowed for record keeping and communication, gunpowder was used as a propellant in firearms and explosives during warfare, and the compass allowed people to navigate on journeys.
Cancer......................
Answer: I don't know agagagagaggagagagagagaga
Explanation:
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Plessy v ferguson!! i think anyways it established the "separate but equal" thing