During WW II, African American soldiers made England a less racist place, lasting until this day

Can racial prejudice be reduced or is it a constant of the human condition? And can interventions unfold effects that persist? Especially in light of recent events such as the Syrian refugee crisis, and more recently, the Black Lives Matter protests in the US, answers to these questions are desperately needed. In the long run, integration appears to have a positive effect on racial attitudes, which are passed on from generation to generation.

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