3. What made the Republican Party different from other parties?

The Republican Party, often called the GOP (short for “Grand Old Party”) is one of two major political parties in the United States. Founded in 1854 as a coalition opposing the extension of slavery into Western territories, the Republican Party fought to protect the rights of African Americans after the Civil War. Today’s GOP is generally socially conservative, and favors smaller government, less regulation, lower taxes and less federal intervention in the economy.

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c is the correct answer for this question.