Sunken Phoenician ships have been discovered from the deep Mediterranean waters near Ashkelon, in modern-day Israel, to the Spanish shoreline.
Answer: In the latest study, the researchers found outbreaks of plague from 1346 through 1837 which could be explained by changes in Asian weather. ... "When the climate subsequently becomes unfavorable, it facilitates the collapse of plague-infected rodent populations forcing their fleas to find alternative hosts.
Explanation: Hope this helped :)
I know for sure that the Aztec and Inca societies would practice human/animal sacrifice in order to have a "sun rise;" sacrifice it to the Gods up above. I also know that the Aztec and Inca societies were really behind when it came down to centralized government trade.
That's all I know and hope this helps!