D. 18th century I believe.
Answer:
they needed the money in the south. People weren't big on giving up their slaves. The more you had, the most successful you would become! Crazy when you think about it. The slaves made the southerners money, which they did not want to stop making.
Explanation:
The answer is the Civil War
A common practice in American election campaigns in the 19th century, was to use "waving the bloody shirt" phrase for ridiculing opposing politicians who made emotional calls to avenge the blood of the northern soldiers that died in the Civil War.Mostly Republicans were accused of this practice.
