The correct answer is (c) Autocracy.
Autocracy is a form of government in which one person holds all the power. The autocrat may be a king, queen, emperor, or dictator. They may rule by decree or with the help of a small group of advisors. Autocracies are often characterized by a lack of freedom of speech and assembly, as well as the suppression of dissent.
Plutocracy is a form of government in which the wealthy hold power. The wealthy may control the government through their wealth, or they may use their wealth to influence the government through bribery or other means. Plutocracies are often characterized by inequality and a lack of opportunity for the poor.
Oligarchy is a form of government in which a small group of people hold power. The oligarchs may be wealthy, powerful, or well-connected. Oligarchies are often characterized by corruption and a lack of accountability.
Theocracy is a form of government in which religious leaders hold power. The religious leaders may be priests, ministers, or other religious officials. Theocracies are often characterized by the suppression of dissent and the use of religious law to govern the country.