Two emerging factors after the War of 1812 that contributed to development of sectionalism were "an increase in the number of men voting" and "the concept of manifest destiny," since both of these led to a more "aggressive" nation that was becoming more and more divided on how to exploit that aggression.
I believe that it is A
"Traded furs to make a profit"
If a cluster of people stand gazing upward, passersby will often pause to do likewise. This best illustrates:
d. the chameleon effect
The chameleon effect is when one mimics the behaviors of another in a proximal social environment.
Pollution of the ocean and land. Humans cutting down natural trees. The building of roads and shelters etc..
