Respuesta :
because there was no other ways of getting water and it made it easier to travels to other places for the rode downstream on boats to get to places also when they overflow their banks, the rivers bring fresh soil to the rivervalley. This soil is great for farming. People settled in the valley to grow crops and raise livestock.The earliest civilizations arose in the rivervalleys of other regions as well.
There are several reasons why early civilizations began in river valleys. The main reason is the array of benefits that this brings to agriculture. Proximity to river valleys means that people are able to irrigate their crops more easily. Moreover, river valleys are often flooded, which brings valueable nutrients to the soil, making it more fertile. Besides agriculture, river valleys are important in various other ways. Rivers provide a reliable source of water for communities. They also allow people to travel easily, connecting faraway communities with each other.