In the century prior to European contact, the Indians who inhabited the Americas

A) were culturally united because they spoke the same language.
B) were concentrated in areas mainly east of the Mississippi.
C) did not have extensive trading opportunities due to the lack of roads.
D) occupied the world's most diverse place at that period of time.

Trading Opportunities

Situations or ventures that allow for the exchange of goods, services, or information in hopes of profit.

East of the Mississippi

Refers to the geographic area located to the east of the Mississippi River in the United States.

Diverse Place

A location characterized by a variety of cultures, ethnicities, languages, or ecosystems.