How did john brown contribute to the violence before the civil war?

by killing proslavery men and by leaving the raid on Hampton's ferry which led to other insurrections. Brown took slaves to Harper's Ferry where there was an arsenal of weapons that he gave to slaves to start a slave rebellion. He was also responsible for bloody atrocities in "Bloody Kansas," prior to that.

tearing down the berlin wall.

consider an orange peel: if you want to try and lay it flat, you have to stretch it, we know exactly how things are being stretched or squashed at any given point. we have many different map projections because each has different patterns of some projections can even preserve certain features of the earth without