They were getting worse and worse through the 1930's.
C, because that was basically one of the reasons for the Civil War as well. The Northern and Southern states were always fighting about whether slavery should expand west or not.
The 13th, 14th, and 15th amendments were important additions to the constitution because they were created to give equality and aimed mainly towards African-Americans and slaves from he civil war
It would be based on Nationalism
I would say "A". Because he is looking to see the moat the fear of the disease had on everyone's day-to-day lives.