Final answer:
If Country A is ruled by a hereditary ruler with absolute power, it is an absolute monarchy. If it is governed by an elected president with checks and balances, it is a presidential democracy. If religious law is supreme, it is a theocracy.
Step-by-step explanation:
To determine which form of government would best describe Country A, we should understand what each type of government entails. A presidential democracy is a system where the president is elected as an independent executive authority separate from the legislature. In a theocracy, the government is run by religious leaders, and the laws are based on religious doctrine. An absolute monarchy is a form of government where the monarch has absolute power without legal or legislative constraints, often justified by divine right. In the context of social studies and history, if Country A is governed by a hereditary ruler with unchecked powers, it would be classified as an absolute monarchy. On the other hand, if the ruler of Country A is elected and works within a system of checks and balances, it would be a presidential democracy. If religious texts or clergy have final authority in the government of Country A, then it would be a theocracy. Many constitutional monarchies start as absolute monarchies and transition into systems where the monarch's power is constrained by a constitution. This historical evolution reflects the changing values and needs of societies over time. Conversely, forms of government such as oligarchies and dictatorships exemplify the concentration of power within a small group or an individual, respectively.