"The important lesson wasn't so much the Nazis' extraordinary evil but that it could happen with the participation of so many, the indifference of many more, that humanity has no guarantees against its vicious streaks except its own conscience, for which each individual is responsible . . . the effort for decency and justice must go on every day, everywhere." What is the main idea of the passage?

(1) A nation's wartime policies should not be subjected to moral standards.

(2) Individuals who follow the orders of their superiors should not be prosecuted for their actions.

(3) In time of war, the end justifies the means.

(4) Individuals have an obligation to oppose immoral policies.

In the passage, the term "extraordinary evil" refers to the
(1) Berlin blockade
(2) Cold War Era
(3) Marshall Plan
(4) Holocaust