A system of government where political powers are inherited is called

Explanation

A monarchy is a form of government in which a single person holds supreme authority in ruling a country, also performing ceremonial duties and embodying the country's national identity. Although some monarchs are elected, in most cases, the monarch's position is inherited and lasts until death or abdication. In these cases, the royal family or members of the dynasty usually serve in official capacities as well. The governing power of the monarch may vary from purely symbolic (crowned republic), to partial and restricted (constitutional monarchy), to completely autocratic (absolute monarchy).