Answer: The efforts to deal with the issue of enslavement with legislative compromises were doomed to fail—enslavement was never going to be a sustainable practice in a modern democratic country. But the institution was so entrenched in the United States that it could only be resolved by a Civil War and the passage of the Thirteenth Amendment.
The correct answer is D. It was in the Haiti or the Saint-Domingue as it was called then that the revolution which started in 1791 and lasted til 1804 happened. The revolution was started by slaves who liberated themselves and the revolution itself was anti-colonial and also abolitionist in nature.
Very classic and expensive...