Which of the following is an example of direct democracy in action?

A. California voters pass a proposition to cut property taxes
B. Oklahoma’s primary elections are between members of the same political party.
C. Congress passes legislation in a system of representative democracy.
D. Louisiana elects its national senators in a general election.

A. California voters pass a proposition to cut property taxes

Direct democracy involves citizens directly voting on specific issues or laws, as opposed to representative democracy where elected officials make decisions on behalf of the people. In this example, California voters directly voted on a proposition to cut property taxes, which is an example of direct democracy in action.