周公毅然率兵东征，平定了叛乱，诛杀了武庚和管叔，放逐了蔡叔，再相继平定了东方诸国。
Duke Dan of Zhou resolutely commanded the troops to launch on eastern expedition , which led to the deaths of Wu-geng and Guan Shu , and to the banishment of Cai Shu . Subsequently , he pacified the orient states .
蔡叔