Fourth-graders Richard and Bruce sat on the stoop outside the school. They had missed their bus and now had to make the decision whether to walk taking a shortcut or just wait until their mothers noticed they had not arrived home

Answergamma-rays

The  knowledge gap  as been recast more recently as a “digital divide”  gap. with the internet and social media many things can be done faster and better. so much faster and better that those that do not have access to them are literally left out of the game. 

  the tendency to view one's own culture  and  group as superior  is called. cultural relativism.