How did the environments in North America affect the earliest civilizations there

The northern continent encouraged other indigenous communities to live nomadic lifestyles. These cultures did NOT establish urban areas or agricultural centers.  

Explanation:

haitian revolution slaves initiated the rebellion in 1791 and by 1803 they had succeeded in ending not just slavery but french control over the colony

answer by yourhope:

the speaker of which statement would be best served by joining an interest group?

i want politicians to make more of an effort for lgbt rights!

: )