90% of white pople who claim that it wouldn't bother them if their son or daughter married a black person are lying. There are the really liberal types who genuinelly wouldn't matter, but most people would. This is also true for Black, Asians, Latinos, etc: they all want their children to marry inside their own race.
A natural degree of racism is innate to Humans. Blacks, however, are regarded by people of all other races as inadequate spouses for their children because they are at the bottom of the social ladder. For instance, most Asians and Whites are far more accepting of their children marrying each other's races than with Blacks.
SUCKMYMUSCLE