This question can have many answers but ill try to answer it in the north slaves werent profitable so most northerners didnt have slaves and eventually slavery was seen as morally wrong in the north so in the south once abraham lincoln became president the south became its own coutry and the civil war began so after the north won slavery was abolished in the south.
Answer:
When faced with a question like this what you should do is read your answer for part A and then read the quote you chose for part B and see if the two add up to make a valid reasoning to support each other.
