Which factor shift american opinion away from neutrality during world war i?

It was the targeting of merchant ships by German U-boats.  America realized that any ship including theirs was a target.  This was realized when the Germans sank the Luisitania.  Apart from that, the interception of the Zimmerman telegram where Germany pledged to support Mexico get back its territories from the U.S. led to American involvement in World War I.

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.