The Know-Nothing Party C) wanted to undermine immigrant voting strength. The Know-Nothing Party was an anti-immigrant political group that sought to prevent increased political strength of immigrant communities because of their racist views of new immigrants.
The Know-Nothing Party, also known as the American Party, aimed to undermine immigrant voting strength due to their anti-immigrant and nativist beliefs. They sought to limit the influence of immigrants, particularly Catholics, in American politics by extending the naturalization process and restricting public office to native-born individuals. Therefore, the correct answer is C: It wanted to undermine immigrant voting strength.
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