Answer :
Final answer:
Abraham Lincoln's 1855 letter opposed the Know-Nothing party due to their promotion of resentment against minority groups.
Explanation:
The 1855 letter by Abraham Lincoln opposed the Know-Nothing party because it promoted resentment against minority groups. The Know-Nothings, also known as the American Party, rose to prominence by opposing the influence of immigrants in the country, particularly targeting Catholic immigrants like the Irish and Germans. They aimed to limit the political power of naturalized citizens and advocated for longer naturalization periods and restrictions on public office for the foreign-born.
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