Bible supports slavery?

The people who wrote the bible were either psychopaths or close to being psychopaths. The bible is not about being moral so that you can get to heaven it is about teaching psychopathic people how to act in a way so that you do not get into trouble(Like on the tv show dexter, where dexter's foster father teaches dexter how to not get into trouble). This is the reason why the bible is full of contradictions. At certain points in time it was alright for the authors of the bible to do psychopathic things like enslave people and kill people while the bible authors had power. At other times it may not have been a good thing to do psychopathic things(like whenever the bible authors were subjugated by Rome). The bible varies on its "morality" with respect to the military power of it's authors.