Many times, those who defend the anti-immigrant movement do so by denying any connection to racism. This short (6:48) video from The Center for New Community explores the connections between anti-immigrant bigotry, immigration, and African Americans in the United States:

This video (h/t @NativismWatch) makes a connection between contemporary anti-immigration bigotry particularly against Mexicans and Mexican Americans, which seems to be growing, and historical, institutional racism against African Americans.