What key events contributed to deepening unrest and hostility in antebellum america?

The key occasions was that the before the war america held around 22 million individuals and they were the prisoners. States of prior to the war subjection. 1830 - 1860. Asset Bank Contents. By 1830 subjection was essentially situated in the South, where it existed in various structures. African

Americans were oppressed on little ranches, expansive manors, in urban communities and towns, inside homes, out in the fields, and in industry and transportation .After that time, the quantities of slaves developed exponentially. By 1776, African Americans included about 20% of the whole populace in the 13 terrain settlements.

The North American territory was a generally minor goal in the worldwide slave-exchanging system.

ha deadpool ofc

explanation:

i think the answer is   b.