You do not have an exclusive franchise on slavery.
Many races throughout human history have been enslaved, including pale-skinned peoples so back off.
The primary problem of Blacks is that too many of you do not function well in a modern society - not that you allowed yourselves to be enslaved in the past.
There are many kinds of slavery.
Some people are slaves to alcohol. Some are slaves to credit cards. Slavery is used as a term to describe anything which may enslave someone, and can be a varying scale.