They rioted , had strikes , & stood up for themselves.
Answer: A
Hope this helps! :)
The answer would be Stippling. Stippling is the use of many dots to make shading, or an image
It would be "Whether a new state or territory should enter the Union as Free or Slave" that had the most impact on the Civil War, since the North was strongly against the spread of slavery, while the South was in favor of it.