Which principle of the constitution refers to the fact that citizens can vote government officials into- or out of- office?

The answer is the Popular Sovereignty .

Explanation:

Popular sovereignty, also called squatter sovereignty, is a controversial political concept in the history of the United States, according to which the citizens of federal territories would determine for themselves whether their territories should join the Union as free or slave states.

The basis of authority for the government is the people, and its power is not valid if it disregards the people's will. It is assumed that government founded by people's free choice would serve the people who have sovereignty or supreme power.

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