What part of speech is the word oligarchy?

What were the earlier notions of power sharing how have they changed with the emergence of democracy? Who is the mayor of the city of lithonia? Is Mexico a confederation? What does DOLE stand for? What were the melanated people called in America that were there before the white people colonized it? How does totalitarianism compared to absolute monarchy? Why was king Charles selfish? How are aliens born? What effect does Mr.Alvarez's political involvement have on Julia's life? How does Parliamentary system differ from a democracy? Corrupt secretary of the interior in the 1920s? What country practices communism? What political system is the best defined by individual freedoms free speech and the greatest good to the greatest number? Who colonized Jamaica? What did Henry VIII th die from? How do you use presidential democracy in a sentence? Was empedocles a pluralist? Did king Charles 1st kill the earl of strafford and why? What is one of the goals of an interest groups? What European dictator began the politcial movement known as fascism?