Slaves were punished by whipping, shackling, hanging, beating, burning, mutilation, branding, and imprisonment. Punishment was often meted out in response to disobedience or perceived infractions, but sometimes abuse was performed to re-assert the dominance of the master (or overseer) over the slave.
Pablo Picasso's Guernica was a portrayal of a bombing during the Spanish Civil War and it's fame brought a lot of attention to the horrors of the war on the part of the Spanish Nationalists.
After graduating from Eureka College in 1932, Ronald Reagan got a job at WHO Radio in DesMoines Iowa as sports director. There, he loved to re-create the games play by play action.
The answer is solar plexus ! :)