How did geography affect the civilizations of early Americas?

Naturally, they wanted to live in regions suitable to these ends. So, oftentimes, civilizations arose along rivers in fertile land. Some of the earliest civilizations, such as the Sumerians, sprang up between the Tigris and Euphrates rivers in a region called Mesopotamia.

Explanation:

Hope this helps!!!

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.

it allows shippers to carry commercial goods, which allows them to save time and money.