Final answer:
Political parties in the United States influence policy decisions their candidates make.
Step-by-step explanation:
One function of political parties in the United States is to influence policy decisions their candidates make. Political parties play a crucial role in ensuring that their candidates align with the party's platform and ideologies. They do this by endorsing candidates who share their values and promoting party-specific policies and actions. For example, a Democratic candidate is expected to support policies like affordable healthcare, while a Republican candidate is expected to advocate for lower taxes.
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