Democracy is defined as a form of governance in which the people hold supreme power. Democracy can be conducted directly by the people in some forms; in big societies, it is performed by the people through their elected agents.
Democracy is more than just a set of specific government institutions; it is founded on a well-understood set of principles, attitudes, and behaviors, all of which can take many shapes and expressions in different cultures and civilizations around the world. Democracies are founded on basic ideals rather than universal actions.
Thus, Option D is the correct conditions needed for democracy to thrive.
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