Muhammad bin Qasim conquered the Sindh and Indus Valley, which made South Asian societies(e.g Sindhis)into contact with Islam
Answer: Kerma was a city-state of Nubia, that was a part of the Kingdom Kush.
It was the most powerful city of Nubia to 2450 BCE from 1450 BCE. They first culture was rural and they had around 2,000 people.
The control of Nile Valley in the first and fourth cataracts, allowed them to expand they territory and making it really powerful
No i am not dependent on that