Why did the know nothing party try to limit the rights of immigrants ?

What was the primary concern for the missouri statehood question

President clinton, on the fortieth anniversary of the events in arkansas surrounding the "little rock nine," stated that "when the constitutional rights of our citizens are threatened, the national government must guarantee them." this principle was the basis for using federal authority in: the expansion of voting rights to women. the passage of the civil rights act of 1964. the passage of the americans with disabilities act. all of the choices.

Who recommended that president bill clinton be impeached?