B. Delivering water to dry areas for growing crops
The Zhou created the Mandate of Heaven: the idea that there could be only one legitimate ruler of China at a time, and that this ruler had the blessing of the gods. They used this Mandate to justify their overthrow of the Shang, and their subsequent rule.
The Nile river was responsible for the success because the annual flood made the soil much more fertile.
Explanation:
Egyptian civilization was formed along the longest Nile river , the annual flood that happened on the Nile river , made the soil fertile and thus there was more production of crops. The Nile River also helped the Egyptians for trading purposes.
Most of the part of Egypt is desert but on the other hand the soil along the side of the Nile River was fertile.There was huge production of wheat in the Middle East through out the year. As a result the Egyptians became rich.
<span>The Indus River, also called the Sindhū River or Abāsīn, is a major south-flowing river in South Asia. The total length of the river is 3,180 km which makes it one of longest rivers in Asia.</span>