 Complete the following phrase:  The model for Munsu was the historical figure Park Mun-su, from Koreas Joseon Dynasty period. According to Youn, he was originally a military officer in charge of training the army, and was active as an amen osa for only one year. However, his legacy was considerable, including not only seeking and punishing corrupt officials, but also stopping the invasion of the Korean peninsula by foreigners and saving the king from a coup détat. Sando is based largely on Ju Non-gae, a figure from the Japanese-Korean 