There are so many factors for this and one being the high percentage of males that walk out on families, which in turn hinders a child's progress and can limit what the mother can do for the child for all sorts of reasons.
This is a major problem and a factor that needs addressing somehow...
You must not forget the other ethnic backgrounds that do not get along, having lived in London and other ethnically diverse cities I have seen Afro Caribbeans, Nigerians, Ghanaian, Somalian, Turkish, Kurdish, Asian all fighting each other and being racist towards each other at different times at...