Govt. by the people :

Step-by-step solution

Democracy: a system of government by the whole population or all the eligible members of a state. Aristocracy: a form of government in which power is held by the nobility. Bureaucracy: a system of government in which most of the important decisions are taken by state officials rather than by elected representatives. Monarchy: political system based upon the undivided sovereignty or rule of a single person. Hence, the correct answer is option A.