When a diffusion comes along it usually causes diversity between the people who diffused it.
example:
john : i hate this culture!
jane : shut ur mouth !
john : this needs diversity !
Beyond abolishing slavery in the United States, the Civil War was a pivotal event in American history because it reshaped the political landscape and forced the South to develop an entirely new economy.<span />
Answer: D. it lies in a valley, surrounded by mountains, that traps in air pollutants over the city.
Explanation: Being in a valley results in air pollution being contained to an area.
By moving into these countries and establishing trading posts, they were then able to establish a military presence.
The civil war starts at fort sumter.
