This is a video in which Robert King, one of the Angola 3, speaks on the prison-industrial slave complex in prisons in the USA. Robert King and Albert Woodfox have endorsed the Amend The 13th Movement. They know what it means, and how important it is to speak up on abolishing slavery for everyone, no exceptions.
USA
Prison State America: Inmates becoming corporate slaves in for-profit facilities
This is from Russia Today, from 2015. Chris Hedges, journalist, is being interviewed about the corporate slavery that has been created inside the U.S. prison system:
Amend The 13th 