How did northerners views on abolition differ from those of southerners?

The difference of Northerners and Southerners’ views in terms of abolition is that the northerners prefer of abolition to be supported as this is having slavery and they want it to be abolished. While the southerners, does not agree to their idea as they need slaves because of the plantations that they are building and facilitating. 

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

thomas jefferson is the answer