I assume since his worship involves necromancy which is look badly upon by everyone else
The French looked at America as a place to fish and hunt which other Europeans looked at it as a place to settle. As opposed to settling, like many other Europeans, the French wanted to use America to sell fur and make a profit from it
The united states needed French support in western Europe
The Reason prohibition directly led to organized crime was because the public demand for illegal alcohol was increasing, therefore people such as Al Capone would organize secret bars called “speakeasies”