Frontline trenches were usually about seven feet deep and six feet wide. The front of the trench was known as the parapet. The top two or three feet of the parapet and the parados (the rear side of the trench) would consist of a thick line of sandbags to absorb any bullets or shell fragments.
It was in 1820 that Congress passed a law banning slaves and giving them rights but was mostly ignored.With the rights it took a while for blacks to be recognized on how they had less rights then white men.