sentences:  The late Ming and early Qing dynasty symbolized an era of large influx of refugees and another 20 years of sea trade ban under the Kangxi Emperor, a measure intended to counter the refuge Ming government of Koxinga in the island of Taiwan.The sea ban implented by the Qing forced many people to evacuate the coast in order to deprive Koxinga's Ming loyalists of resources.This has led to the myth that it was because Manchus were "afraid of water".