The political party traditionally associated with liberal ideology in the U.S. is the Democratic Party. This party advocates for progressive social policies, government intervention in the economy, and civil rights protections. Historically, the Democrats have supported issues like healthcare reform, environmental protection, and various social justice movements. The party seeks to address economic inequality and promote diversity and inclusion within society. In contrast to the Republican Party, which leans more conservative, the Democrats reflect a broader range of liberal values in their platform.