Is there any indication that article 3 of the constitution says that the supreme court has the "right" to determine whether laws are constitutional?

Yes. Article 3, Section 2 of the Constitution specifies that the judicial branch will have authority over cases involving the laws of the Constitution.

louverture's prominent role in the haitian success over colonialism and slavery had earned him the admiration of friends and detractors alike.

explanation:

toussaint louverture began his military career as a leader of the 1791 slave rebellion in saint-domingue; he was by then a free man and a jacobin.