What if the Haitian Revolution had gone differently?

Enslaved people overthrow a slave colony and found a republic.

If it had gone differently: No state is founded by the formerly enslaved; abolition loses its sharpest argument for decades.

1. 1820Latin American independence, Spain's American empire holds; the idea that a colony can simply declare itself a nation loses its second great proof.
2. 1833Britain abolishes slavery, The biggest naval power keeps slavery legal; abolition loses its first state sponsor and stalls for decades.