I do not really know why apartheid reigned supreme in south Africa, but your experience with the sign post is touching, i could say the white dominance caused this, but you must have been really disappointed to experience this, im glad for people like Nelson mandela who really took a great sacrifice, thank you for this awesome write up.
Apartheid was a grotesque extension of what began as a the British empires, divide and rule policies. South African politicians simply formalized it into law once "the Empire" left.
Wow thats teribble not a good experience at all