The system creates power in the hands of a single board

The correct answer to this open question is the following.

The supervision system creates power in the hands of a single board.

In this system, the executive and legislative power are shared by one board. When the legislative and executive powers are operated between different offices, we have a council-executive system. This type of system allows independence between both branches when making government decisions.

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity