Why would people choose to settle in the China River Valley?

irrigation allowed people to spread north and south of the rivers since they could now get water to places that didn't have a natural water supply. Many settlements began to populate the Yellow River basin area. All these settlements were unified during the Shang Dynasty.

Explanation:

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .