[fishtoaster]

I would imagine the homogeneity in most forms (race, creed, income status, class, political views, etc) reduce conflict and crime. Such homogeneity is not always a good thing though; in the US, at least, we ostensibly follow the "melting pot" philosophy.

[onemorepassword]

Yes, and Europe is full of white people only dancing around hand in hand in love and peace.

US melting pot my ass. My black European father married my white European mother when the US still had segregation.