Which political party used the slogan "Free Soil, Free Labor, Free Men"?

The slogan "Free Soil, Free Labor, Free Men" was prominently used by the Republican Party in the mid-19th century as part of its platform opposing the expansion of slavery into the western territories of the United States. This phrase encapsulated the party's commitment to promoting free labor and free land for free men, contrasting sharply with the Southern slave-based economy.

The Republican Party emerged in the 1850s, and its ideology was rooted in the belief that slavery was incompatible with the principles of freedom and equality. The slogan effectively conveyed the party's stance that the expansion of slavery would undermine opportunities for white laborers in the territories, and it appealed to a wide base of supporters who opposed the spread of slavery for moral, economic, and ideological reasons.

The other parties listed had different focuses or objectives—such as the Democratic Party, which had factions that supported the expansion of slavery, and the Liberty Party, which was an earlier abolitionist group advocating for the end of slavery but did not have the same broad political influence. The American Party, primarily concerned with nativist and anti-immigrant issues, did not center its platform on the conflict over slavery in the same way. Therefore, the Republican Party is the one most intricately associated