European Americans—particularly affluent white Anglo-Saxon Protestants—enjoyed exclusive privileges in matters of education, immigration, voting rights, citizenship, land acquisition, and criminal procedure throughout American history. Non-Protestant immigrants from Europe, particularly Irish people, Poles, and Italians, often suffered xenophobic exclusion and other forms of ethnicity-based discrimination in American society until the late 19th century and early 20th century. 

US racism focus on https://en.wikipedia.org/wiki/Racism_in_the_United_States

The degree of racist in US.