The free soil movement was a political campaign that emerged in the United States during the mid-19th century, advocating for the prohibition of slavery in the territories acquired from Mexico following the Mexican-American War. This movement aimed to ensure that new lands would be free from slavery, allowing for opportunities for white settlers and laborers, thus promoting the idea of free labor over slave labor. It was closely linked to a growing awareness of the moral implications of slavery and the need for resistance against its expansion into new territories.
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