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State Council

State Council (Uijeongbu, 의정부, 議政府) was the highest deliberative body, whose power declined over the course of the period. The Chief State Councillor (Yeonguijeong, 영의정, 領議政), Left State Councillor (Jwauijeong, 좌의정, 左議政), and Right State Councillor (Uuijeong, 우의정, 右議政) were the highest-ranking officials in the government (all three were of 1st senior rank). They were assisted by Left Minister (Jwachanseong, 좌찬성, 左贊成) and Right Minister (Uichangseong, 우찬성, 右贊成), both of 1st junior rank, and seven lower ranking officials. The power of State Council was inversely proportional to the king's power. There were periods when it directly controlled the Six Ministries, the chief executive body of Joseon government, but it primarily served in advisory role under stronger kings. State councillors served in several other positions concurrently.