- Monarchy: A government in which a single person, the monarch, holds supreme power. Examples include the United Kingdom, Saudi Arabia, and Japan. - Republic: A government in which citizens elect representatives to make decisions on their behalf. Examples include the United States, France, and India. - Dictatorship: A government in which a single person or a small group of people holds absolute power. Examples include North Korea, China, and Cuba. - Oligarchy: A government in which power is held by a small group of people. Examples include the Soviet Union, the Roman Republic, and the Athenian Empire. - Aristocracy: A government in which power is held by a class of nobles. Examples include the British House of Lords and the French aristocracy. - Democracy: A government in which all citizens have a say in the decisions that affect their lives. Examples include the United States, the United Kingdom, and Canada. - Theocracy: A government in which religious leaders hold political power. Examples include the Vatican City, Iran, and Saudi Arabia.