The Nile River did in fact influence the religion of Egypt. The Egyptians would pray to their gods for a successful harvest.
The Silk Road was a network of trade routes, during the Han Dynasty of China, which link the regions of the ancient world in commere.
Its C Rivers: Nile, Euphrates,Tigris,Indus,Yellow,Yangtze. Hpe it helps! :)
Italy and Europe is the answer.