Answer:

2.A monarchy is a form of government in which a person, the monarch, is head of state for life or until abdication. The political legitimacy and authority of the monarch may vary from purely symbolic, to restricted, to fully autocratic, and can expand across the domains of the executive, legislative and judicial

3.Aristocracy is a form of government that places strength in the hands of a small, privileged ruling class, the aristocrats. The term derives from the Greek aristokratia, meaning 'rule of the best'. 

4.Politics is the set of activities that are associated with making decisions in groups, or other forms of power relations between individuals, such as the distribution of resources or status. The branch of social science that studies politics is referred to as political science.

5.Tyrant

Description

In the modern English-language's usage of the word, a tyrant is an absolute ruler who is unrestrained by law, or one who has usurped a legitimate ruler's sovereignty. Often portrayed as cruel, tyrants may defend their positions by resorting to repressive means. 

6.Oligarchy, government by the few, especially despotic power exercised by a small and privileged group for corrupt or selfish purposes. Oligarchies in which members of the ruling group are wealthy or exercise their power through their wealth are known as plutocracies.

Explanation:

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Answer:

1) Aristotle classified the term 'Goverment' for first time.

2)Monocracy means rule by one person or a unified collective actor, therefore it is not synonymous with autocracy.

4)Politics is the set of activities that are associated with making decisions in groups, or other forms of power relations between individuals, such as the distribution of resources or status.

5)The philosophers Plato and Aristotle defined a tyrant as a person who rules without law, using extreme and cruel methods against both his own people and others.

6)An oligarchy is a power structure that allows a few businesses, families, or individuals to rule.

3) Aristocracy is a form of government that places strength in the hands of a small, privileged ruling class, the aristocrats. The term derives from the Greek aristokratia, meaning 'rule of the best'.