Which form of government is practiced by both the united states and canada?

The answer is democracy.

Explanation:

Democracy refers to a form of government through which people have the power to select the aspects referring to the governing legislation. The constitution establishes how people can participate in terms of authority.

It exists two forms of democracy, direct and representative. We talk about direct democracy when people deliberate and make decisions in terms of legislature. A representative democracy is when people choose some representatives to deliberate and make decisions in terms of legislature. A presidential democracy is an example of representative democracy.  

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