The idea of Manifest Destiny was used by the United States to justify which action?

The right to move westward.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.

that is probably something for you to answer