Detailed Instructions: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Q: The plan for this clash was doomed after forces for one side were crushed about a month before at La Roche-aux-Moines, which prevented their stirring up expected local revolts. In the aftermath of this battle, one of the defeated commanders was promptly restricted to his original domain of Brunswick. The aggressors counted on the support of the rebellious Ferrand of Portugal and Renaud of Dammartin, both of whom were captured in the wake of this battle, which contributed to the appointment of Frederick II as Otto IV was crushed and narrowly escaped with his freedom. The winning side was able to assert its claim to large chunks of Norman and Angevin. A decisive victory by the French over the Flemish and Germans, for 10 points, identify this July, 1214 battle which allowed Philip II Augustus to assert control over France and led in part to King Johns granting the Magna Carta.
A:
History