Answer:
A political party is an organization that coordinates candidates to compete in a country's elections. It is common for the members of a political party to have similar ideas about politics, and parties may promote specific ideological or policy goals.As the electorate expanded, the political parties evolved to mobilize the growing mass of voters as the means of political control. Political parties became institutionalized to accomplish this essential task. The number of independent or third-party members of Congress or of state legislatures is extremely low.
Well they are the ones who made the social hierarchy. (Division of labor.)
Easy defeat of foreign invaders is obviously positive, so it couldn’t be a factor that would topple an empire. Security is good.
