Contributing factors to this event include: changing of loyalties in military and their interference in politics, lack of strong, civil war and unrest, moving the capital and division of the empire, low confidence, disloyalty, contrast between rich and poor, poor harvests, gold and silver drain, inflation, and threat of attack; immediate causes were pressure from Huns, invasion by Germanic tribes and by Huns, sack of Rome, and conquest by barbarian invaders.