A moving work of art. After people stopped believing in government's promises of better tomorrows, the feudal oligarchy began to loose its grip on power. People began to pursue their own dreams, however idiosynchratic.
So the feudal oligarchs developed a new plan. Use an ever widening kaleidoscope of fear, a nebulous but artificial enemy, capable of transforming its shape to suit the desires of government. This fear would motivate the masses - but only if its real origins could be masked.