They all developed in areas around rivers, with some geographical protection from outside invaders.
Only to the Mayan, Olmec and Teotihuacan civilizations which were also located in Mesoamerica. There is much debate whether Aztecs knew about other American civilizations such as Incans (in Peru, South America). It is also very hard to believe they knew about civilizations such as Egyptians (Middle East) or Chinese (Asia).
chinese civilizations
The Mayans were geographically isolated from some civilizations at their time. Civilizations like Greece, Rome, Chinese, Indian, Egyptian, and Mesopotamian people were separated by the Atlantic ocean and at the time no one had the technology to cross it. But in South America there were Aztecs, Tapotec, Mixtec, Olmec, Toltec, and Teotihuacan and Inca populations.
They all developed in areas around rivers, with some geographical protection from outside invaders.
Fertile Crescent (Mesopotamia)
they all settled near arable land or by a river for irrigation crops
They all developed in areas around rivers, with some geographical protection from outside invaders.
bd
They all developed along the fertile banks of a river.
They all developed along the fertile banks of a river.
they all settled near arable land or by a river for irrigation crops
they all settled near arable land or by a river for irrigation crops
Development of irrigation
they all settled near arable land or by a river for irrigation crops
Development of irrigation
They all developed in areas around rivers, with some geographical protection from outside invaders.
They all developed in areas around rivers, with some geographical protection from outside invaders.