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How #Aztecs became the biggest...Roy Casagranda #weirdhistory #ancientdis...
https://youtube.com/shorts/6dmsbxeUscA
So when Cortez invaded, he saw the most densely populated place on Earth because the Aztecs supported 35 million people at a time when there were maybe 500 million on Earth total. The equivalent density not seen again until the 1920s. All because they turned a lake from saltwater into freshwater with a dam and that let them irrigate a lot more crops supporting the population growth.
https://youtube.com/shorts/6dmsbxeUscA
So when Cortez invaded, he saw the most densely populated place on Earth because the Aztecs supported 35 million people at a time when there were maybe 500 million on Earth total. The equivalent density not seen again until the 1920s. All because they turned a lake from saltwater into freshwater with a dam and that let them irrigate a lot more crops supporting the population growth.