Task: Text Categorization
Input (English): This leader defeated General Arnegisclus (ar-neh-GISS-kluss) at the Battle of the Utus shortly before destroying the city of Marcianopolis. He withdrew after the Battle of the Catalaunian Plains against armies under the command of Flavius Aetius (FLAY-vee-us AY-tee-us) and Theodoric (THEE-oh-DOR-ick) I of the Visigoths. This man shared power with his brother Bleda (BLAY-duh) until Bleda's death around 445. For 10 points, identify this man nicknamed the Scourge of God, leader of the Huns.
Output (English): Social Science