Who is john brown and what did he do

Answer  

John Brown was a radical abolitionist who believed in the violent overthrow of the slavery system

Explanation: During the Bleeding Kansas conflicts, Brown and his sons led John Brown was a radical abolitionist who believed in the violent overthrow of the slavery system.

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.