What methods of control did Louis XVI use?

The biggest thing the sun king did to maintain control was issue the revocation of the edict of Nantes. This kicked the Protestants out of France even those of the nobility. The remaining Nobles he then moved to Versailles where he could watch them and make sure they do not plot against him. Louis XVI is famous for his assertion of royal absutism over France. You can say he ruled with absolute power. He put a bourbon on the Spanish throne And conquered territory east of the river Rhine.