Which of the following was true of the know-nothing party?
a. it wanted to undermine immigrant voting strength.
b. it rejected nativism.
c. it gained the widespread support of new immigrants.
d. it focused on containing the expansion of slavery

The Know Nothing Party was a movement that grew in the United States during the 1850s which sought to undermine immigrant voting strength. The movement was against immigrants with strong anti- Irish Catholic sentiments. Therefore, the answer to this question is A.