How Did John Locke Reconcile His Belief in Natural Rights

How did John Locke reconcile his belief in natural rights and his support for slavery?

A) He did not have to, because he opposed slavery.
B) He believed that the free individual in liberal thought was the propertied white man.
C) His belief in democracy meant that if a majority wanted to own slaves, they should be free to do so.
D) He explicitly argued that Africans were not truly human and therefore possessed no natural right to liberty.
E) He suggested that natural rights only applied to the English, not to other Europeans and certainly not to Africans.