For number 5, is D. For number 6, is C. For number 7, is B.
The four Causes of the Civil Wars Slavery, One Union vs state's rights, The growing differences between the North and the South and The election of President Lincoln.
I would say Communism played a big role in it too.
hope this helps and have a great day!
Because they are racist and racist people love people who are racist like them and so they gain popularity like that
Answer: Police Officers
Explanation: They are public servants according to the law and have to serve any pedestrian.