 However, the main opposition against the war was caused by Dutch propaganda.William convinced the English people that Charles had plotted with Louis to make their country Roman Catholic again.This caused such an uproar that Charles thought it best to preserve his hold on the throne by quickly agreeing to the Second Peace of Westminster, which was greeted with popular enthusiasm on both sides of the North Sea, least by the commercial interests of Amsterdam and London, and it was ratified by both parties with exceptional speed.