Its pretty meaningful when it is the highest ranking government official but there is no shortage of additional examples xaTake a normal high school with an approximately  white and  black student body as an example xaGo look in the lunch room xaYou will see whites and blacks sitting with their own much more often than not xaMost serious conflicts will be divided along racial lines xaRacial preferences are also reflected in where people choose to live xaThere is an affluent black community in my region because affluent blacks often choose to live among other affluent blacks xaThey should not be blamed for it xaIt is natural for people to want to associate with people who are like themselves xaPeoples desire to associate with their own kind is not just a national trend xaIt is a characteristic of human nature which has existed for many thousands of years all over the earth