As detailed in historian George Fredrickson's landmark book "Racism: A Short History," there is a complex and overlapping relationship between the "religious" antisemitism of the European Middle Ages, the racist and white supremacist project of white-on-black chattel slavery, colonialism, imperialism, and then the Nazism and racial antisemitism of the 20th century. This translates into a type of path dependency, if not inevitable outcome: As the "conservative" movement becomes increasingly racist and white supremacist, it then becomes increasingly antisemitic.
On this, Halie Soifer wrote in a 2022 essay at Haaretz that:
