when did sectional differeneces over the topic of slavery begin between the north and the south? 1776, 1820, 1850 or 1857

 The South was an agrarian economy based on slavery, while the North in this period was developing its industrial base. The Northern states had no slavery and a more equalitarian society, although large class disparities existed

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest