C Anti Immigrant sentiment and social Darwinism
Answer:
fugitive slaves
The term Underground Railroad referred to the entire system, which consisted of many routes called lines. The free individuals who helped runaway slaves travel toward freedom were called conductors, and the fugitive slaves were referred to as cargo.
Answer: idk a lot about that topic so sorry if im wrong but i'll try to help
Explanation:
1.) The witnesses feel overwhelmed and joy. Now that this border is finally down and they are free and can cross. 2.) i think "a world has come undone before our eyes" means that , the citizens were so used to the border , with the wall being up and no one was allowed through. & after the fall, they finally had this sort of new freedom