Hitler in Mein Kampf, 1925, “all great cultures of the past perished only because the originally creative race died out from BLOOD POISONING.”
Who’s doing the poisoning, Hitler gives us an answer in many of his speeches, “Jews and migrants are poisoning Aryan blood”
Ku Klux Klan, 1923: Immigrants are a threat to the "heart-blood of the nation"
Trump, 2023: Immigrants are a threat to the "blood of the country."