Power kills and impoverishes life. Billions of people live without freedom, In the worst of these countries, they live in fear and insecurity. They are literally slaves, bought and sold, or the effective slaves of their governments. Expression is who you are you basically hiding your identity and holding your opinion against you.
The planters filled the need for large numbers of workers on sugar plantations with captured Africans who were brought to the colonies as slaves. Slavery work was hard, and more often than not, separated them from their family and community.