"When nations are on a war footing, when its citizens are told the truth by their leaders of the peril that faces them, then asking people to work and walk together becomes possible."

Hang on, when did any politicians tell the truth around a war?

Did Churchill ever stop to explain why Britain was at war? Doubtful.

What the author refers to is the fear that comes during war/disaster making it easier to coerce people to do what the leaders want.

Many make sacrifices but those same people do not gain from it afterwards as a matter of course.

People are sheep, and can be herded more readily when scared, and it helps to be a Blue Heeler rather than a Daschund if you want to do the herding.

david f is correct about the immoral 'leadership' from the religions of the world.

Oh that they would decline to the point of departure!