The following outline is provided as an overview of and topical guide to politics and political science:
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Politics – the exercise of power; process by which groups of people make collective decisions. Politics is the art or science of running governmental or state affairs (including behavior within civil governments), institutions, fields, and special interest groups such as the corporate, academic, and religious segments of society.
The separation of powers is typically set in the constitution or basic law in order to achieve checks and balances within government. The typical model has three branches, and is referred to as the trias politica.