Which of the Following Is a Way That Federalism Contributes

Which of the following is a way that federalism contributes to democracy?

A) By decentralizing the political system,federalism creates more opportunities for political participation.
B) By centralizing the political system,federalism protects the political system from the whims of the masses.
C) By decreasing the number of units of government,federalism reduces citizen access to government and public policy.
D) By ensuring that all states provide the same levels of services to their citizens,federalism ensures equality in a democracy.
E) None of these is a way that federalism contributes to democracy.