Study finds evidence that present-day Germans who live close to World War Two concentration camp sites are more xenophobic, more likely to support extreme right-wing politics, and less tolerant to immigrants and religious minorities. A similar link was previously established in the US between extreme political beliefs, racism, and living in close proximity to areas where owning slaves was the norm.
Researchers report social norms together with increasing oxytocin can counter xenophobia by enhancing altruistic behaviors.