Concept map on the Fall of the Western Roman Empire. This summary explains the internal and external causes of the Empire's decline, the migrations of the Germanic peoples, the pressure of the Huns, the Sack of Rome in AD 410, the invasions of the Vandals and Visigoths, Attila's campaigns, and the deposition of Romulus Augustulus by Odoacer in AD 476. A clear and effective study resource for understanding the end of the Western Roman Empire and the beginning of the Middle Ages.