Task: Text Categorization
Input (English): This entity made a military pact known as the Tohopesate, and it was harassed by forces of Klaus Stortebeker, the leader of the Likedeelers, which were successors of pirates known as the Victual Brothers. After the humiliating Peace of Vordingborg, this entity defeated Valdemar IV of Denmark and forced him to sign the Treaty of Stralsund. The Peterhof in Novgorod and Steelyard in London are notable examples of Kontores established by this polity, although its power faded as the Swedish Empire lessened the importance of cities such as Visby and Lubeck. For 10 points, name this Northern European trading league which controlled the Baltic Sea.
Output (English): History