While you're at it, read up on the last century of the Roman Republic. When the backbone of roman greatness , the farmer-legionnaires, started getting replaced by a horde of imported slaves, they imposed a complete outsider, Marius. "He'll fix it for us ! " they thought. When that failed, later they came up with Sylla . "Let's just kill all the Patricians ! " When even that failed, they were ready for Ceasar. The US just had it's Marius. When the pendulum swings back, Sylla's up next.