Ancient: Belonging to a period of history that is thousands of years in the past.
BC: Before Christ. Used in the Christian calendar to show a particular number of years before the year when Christ is believed to have been born.
Bureaucracy: A system of government in which there are a large number of state officials who are not elected.
Civilization: A society, its culture and its way of life during a particular period of time or in a particular part of the world.


