Early civilizations were located on rivers because rivers contain fresh water needed by humans as an essential of life and for washing. Further, transportation for any long distance was so much easier on boats or rafts than by foot or on horseback or wagon. Generally, the soil in the vicinity of a river is better suited to agriculture than at higher elevations because rich topsoil tends to erode downhill toward the river bed, and the water from the river is more easily available to the farm animals.
Early civilizations emerged in river valleys and areas with water because in this time (Neolithic Era) people would require it for agricultural purposes. Growing crops and having fertile lands for which to grow crops on.
Many landforms, such as mountains or rivers were uncrossable to early civilizations, so they stayed where they were, away from other groups
Bodies of water, rivers, lakes. Essential for agriculture, food source, human life, transportation,
rivers
In order for early civilizations to develope they needed a good source of water. With water they could irrigate their crops and improve travel. If they did not have a solid source of water to develop farming early civilizations like the Egyptians(Nile River), Mesopotamians (Tigrus and Euphrates Rivers), or Indus river civilizations would not have survived.
Vast Empires
The early settlements of Mesopotamia were in between the Tigris and Euphrates rivers.
Early civilizations emerged between the Tigris, Euphrates, Nile, and (sorry, blanking out out on the fourth...) Rivers.
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Mesopotamia: Tigris and Euphrates. Indus River
The three early river civilizations are the Incas. Aztecs and Mayas
the rivers
the ability to farm (great soil due to floods) and travel (river+boat=....) between the two rivers.
it was good for fishing and they could develop trade
Ruins of early civilizations were most commonly found in valleys formed by the flow of dried out rivers.
The Tigris and Euphrates Rivers
Nile, Tigris, Euphrates, Indus, Hwang Ho, Yangtse.
A reason for the development of early civilizations is food, a more stable food source, and permanent housing. Civilizations grew along side rivers many people got flow of water-making a group of people to become a civilization.