King John's nickname was Soft Sword. So you can see that he's not going to be that successful in terms of military conquests. And early on, he starts losing battles with France. He starts losing land. And as a result of that, he started looking for some extra change. He starts raising taxes. And of course, the barons in this feudalism system, you have the king, you have the barons, you have feudal lords, all the way down to the bottom you have the serfs.