Final answer:
Democracy is a system of government that provides all citizens with an equal voice or vote in determining state policy. Therefore, the answer is c) system, representation, the nation.
Step-by-step explanation:
Democracy is a form of government that provides all citizens with an equal voice or vote in determining state policy. It is a system of government in which citizens choose and replace the government through free and fair elections, there is active participation of the citizens in politics and civic life, human rights and civil liberties are protected, and there is a rule of law that applies equally to all citizens. Therefore, the answer to the question is c) system, representation, the nation.