There were slaves who lived their lives afraid to talk to anybody else because of their slave owner listening to everything they talk about. The weapons they used in the past were burned irons for branding, whips, and many fearful things. The reason they used those kinds of weapons were to make slaves afraid of their future. Everyday was just a nightmare for the slaves. The video above shows you the things slaves went through every day of their life.
http://spartacus-educational.com/USASpunishments.htm
http://spartacus-educational.com/USASpunishments.htm