A large amount of cotton in the South was destroyed during the Civil War.
The Food Administration during WWI controlled rations and food supply. The War Trade Bond I believe supplied and controlled U.S. militaries w/ military weapons. Hence, it was B. Committee on Public Information which controlled propaganda during WW1.
The type of Geographic location the humans tend to develop civilizations is the River valleys. They have better access to water and food, therefore that is why humans live near River Valleys.