Soma
An all-purpose drug that dissolves pain and anxiety without side effects. Given happiness by soma, the people no longer need to question anything.
Source
Brave New World Aldous Huxley ／ 1932
A future society in which human beings are manufactured and managed in factories. People are assigned a caste before birth, their unease dissolved by the drug soma, content within a happiness handed to them. A world that has traded away freedom for stability.