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List of political parties in the United States - Wikipedia
List of political parties in the United States - Ballotpedia
Political party | Definition, Types, Functions, Examples, & Facts
United States - Political parties | Britannica
Political parties in the United States - Wikipedia
3.5: The Role of Political Parties - Social Sci LibreTexts
Political party - Ideology, Platforms, Elections | Britannica
Political party - Wikipedia
How political parties have changed over time
Political parties in the United States - Ballotpedia