To reinforce America's stance as a global superpower as a force not to be reckoned with- as it was a huge show of force.
Northern: No slaves, mostly republican (our democrat) ideas, economy was based on trade and business
Southern: Slavery was supported, mostly (our idea of) republican, their economy was based on plantations and slaves
Hope this helps! Please let me know if I'm wrong or missed something. :)
Answer:
I need the chart to write down the answer.
The answer should be a and b