Potato Famine (Great Famine): An event during the mid-19th century when Ireland experienced severe crop failure, particularly potatoes, leading to mass starvation and emigration.
Nativism: Nativism is an ideology that favors native-born citizens over immigrants. It often involves anti-immigrant sentiments and policies.
Ellis Island: The immigration station in New York Harbor where many Irish immigrants, among others, were processed upon arrival to the United States.