Answer:
Gettysburg was a huge victory for the North, forcing General Lee to retreat and shifting momentum to the Union.
Explanation:
The answers that apply to the question would be: John Brown's raid AND the election of 1860. The other events had already happened by the time the civil wat started.
They did that to prove that they mean business and that they are mean.
Summary and Definition of Nativism in America
Summary and Definition: Nativism in America refers to the preference for established US residents, as opposed to foreigners or "others" considered to be outsiders and the opposition to immigration. The belief in Nativism was a prejudicial attitude towards immigrants based on their national origin, their ethnic background, their race or religion. The doctrine of Nativism in America resulted in a widespread attitude that rejected alien persons, or culture, and led to xenophobia and new, stringent laws being passed to restrict immigration.