Final answer:
The Republican Party was created during the Second Party System in the United States.
Step-by-step explanation:
In the United States, the creation of the Republican Party occurred during the Second Party System. This party system emerged in the 1820s and 1830s and was characterized by the competition between the Democratic Party (formerly the Democratic-Republican Party) and the Whig Party. The Republican Party was established in 1854 as a response to the divisive issue of slavery, and it quickly gained support in the northern states.
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