Why did khrushchev denounce the crimes of the stalin era in 1956

How have the government regulations changed the use of child labor since the 1800s

Why was the battle of stalingrad a turning point in the european war

John locke viewed the social contract as a choice or "consent of the governed", where the people possess the power to change government. how did thomas hobbes see the social contract? man is born in chains, but can be set free through good deeds. man is born happy, but becomes more miserable as he ages. man is born poor, but can rely on other individuals for security. man is born selfish, but can give up some freedom in return for security provided by the government.