If you went door-to-door with a petition trying to get enough signatures for a proposal to be voted on by citizens, what form of direct democracy would you be engaging in?

Initiative.

Explanation:

Direct democracy is a type of democracy, not quite used in this period. In this form of democracy, people decide directly over which initiatives should be carried out by the government.

The example given in the question is a clear example of an initiative. That type of practice could force a government to either enact the proposal or to hold a public vote to see what the citizens want.

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