A true democracy never has existed and never will.  A true democracy implies that everyone has a vote on everything.  Now when teacher says that ancient Greece was a democracy that isn't the truth, because women, children, slaves, and convicts were prohibited from voting.  Even in the Greece example they had a council to handle the day to day ruling of the city-state.\n\nA true democracy would never have a ruling council.\n\nBy the way the US is  a Federal Republic