It would be because the world war 2.
After the world war 2, Germany's territory was divided into two block with different Ideology, the East German with communism ideology and the West German with the liberalist Ideology. They both build a wall called the Berlin wall to separate the two territories
It's becasue human populations are concentrated in areas that are lacking proper resources.
Great plains is the broad interior are of north america that used to be grasslands
Answer:
The Civil War
Explanation:
By definition, a civil war is one fought within one nation, and that' what it was. Calling it the war for southern independence doesn't really make sense considering they lost the war and never actually got independence. Calling it the war between states is just like calling it the definiton of what a civil war is, so you may as well just call it a civil war
Answer: Disease (economic disruptions) Also keep in mind that bacterica, cancer, tumors etc. were not brought up till the 1980's - 2000's
Explanation: Look at my comment because it got cencored for some reason
