Most of them.
Because rivers provided large amounts of recourses such as:foodtransportationresources to use for building houses and such
Since people started building cities, they've built them as close as possibel to the integral resource of water. It has many practical resources for sustainability and industry.
Having factories close to rivers helped in transporting goods to the factory and finished products to cities.
what was the chuck close life greatest challenge
whirls
is this close enough?
Because many years ago people needed to be near a water supply in order to sustain life and a lot of cities are built upon old towns and villages and such
The Arabian heartland doesn't have rivers. Close to the coasts there are a few, such as the Wadi Dhahawn in Yemen.
Your mother comes pretty close
99.9%
Vaal and Limpopo.
all of the above