Racism is discrimination on the basis of race. It can be stopped by teaching children (and adults) that every human is same and every human is equal.
A. build a vast network of paved roads. hope that helps.
The correct answer is Zimbardo's Prison Experiment
The Stanford prison experiment (SPE) was a study of the psychological effects of becoming a prisoner or prison guard. The experiment was conducted at Stanford University from August 14-20, 1971, by a team of researchers led by psychology professor Philip Zimbardo.