upheaval

cataclysm catastrophe disaster disorder disruption disturbance eruption explosion ferment outbreak revolution shakeout temblor tremor tumult turmoil

about-face alteration clamor commotion convulsion flip-flop outburst outcry overthrow stirring switch turnaround upturn

new ball-game new deal

blessing calm good fortune good luck happiness miracle order peace success wonder

harmony quiet silence

stagnation