The answer is in the wake of the atrocities committed by soldiers in Nazi Germany. In addition, investigation of the participants in Milgram's obedience study has specified that which personality trait was highly associated with the willingness to be obedient. The naive subjects in the Stanley Milgram experimentation were given the chance to administer shocks to destitute victims. The thoroughgoing voltage that could be coped in one shock is 450.
Convergent boundaries form strong earthquakes, as well as volcanic mountains or islands, when the sinking oceanic plate melts. The third type is transform boundaries, or boundaries where plates slide past each other, forming strong earthquakes.
Continents are the main plates of dry land on the earth's surface. There are seven continents: North America, South America, Africa, Asia, Europe, Australia and Antarctica.