According to Seymour Martin Lipset, why might elections be described as a democratic class struggle?

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Lipset argues that elections can be seen as a democratic class struggle because the framework of citizenship provides a public platform for economic cleavages to be debated, and in modern industrial societies, differences in political ideology often align with economic class divisions. However, Lipset does not argue that only the independently wealthy and upper class can successfully run for office in the American electoral system.

According to Seymour Martin Lipset, Why Might Elections Be Described