Task: Text Categorization
Input (English): One king of this polity subjugated the Arzawa kingdom, and under Tudhaliya I it managed to expand into Luwian territory. This empire fell after an invasion by the Kaskas and Bryges, and one document written by this empire states that its subject made his enemies into the frontier of the sea during his conquests. Its early rulers took the title Labarna, and another ruler of this polity defeated the Mitanni kingdom and annexed large parts of Syria, Suppiluliuma I. Another one of its rulers fought in the largest chariot battle in history against Ramses II; that ruler was Muwatallis II, who achieved a victory at Kadesh. For 10 points, name this Indo-European empire found in Anatolia with capital at Hattusa.
Output (English): History