Without big farms to run, the people in the North did not rely on slave labor very much. In the South, the economy was based on agriculture. ... The North wanted the new states to be “free states.” Most northerners thought that slavery was wrong and many northern states had outlawed slavery.
The correct answer to this problem is B.
A system of racial segregation. It would be like making seperate fountains for the "coloured" or the "white"
Any question is an interrogative sentence.