Answer:
The phrase "whose selfishness had not hesitated to buy its own peace at the price, perhaps, of the existence of the whole human race" best supports the the that humans posses the ability to be monstrous. The phrase shows how humans are only thinking of what they want and need and not about how their voices affect the people and things around them.
Answer:
The author has described the development of the justice system's understanding and treatment of juvenile offenders over time as pathetic. she opines that the understanding and treatment as unreasonable, inhumane and miserable, taking into account the evolution of the modern era and the current times of the human race
