Which archaeological evidence suggests the existence of trade among north american civilizations?

The tobacco industry was developed by of north carolina.

This law states that the "chinese laborers to this country endanger the good order of certain localities" in the united states. which of these would represent a "locality" that would most likely have wanted this law created and passed? a) dallas b) chicago c) atlanta d) san francisco

What kind of contact did christopher columbus and native americans initially have?