<span>To prevent any one branch of government from abusing its power.
Hope I Helped You!!! :-)
Have A Good Day!!!</span>
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. :)