Their fertility and water supply.
Fertile soils mainly.
Agriculture required rich soils such as are found in river valleys
river valleys most early civilizations grew up around river valleys because of their proximity to easy transportation (for goods)and water (for bathing,irrigation,and drinking)
Ruins of early civilizations were most commonly found in valleys formed by the flow of dried out rivers.
they can get many resources
The ancient Chinese and Egyptian civilizations were similar in that they both developed in river valleys.
i do not know..... haha good luck
River Valleys
The reality is that they evolved in the river valleys of China, India, Mesopotamia and Egypt. Not exactly Europe?
5000 B.C. is when the first civilizations emerged in river valleys.
Yyhhhu
river valleys