We have had many chances of strangling in their infancy the forces of aggression and brutality which have now engulfed the world in war.

ECONOMIST: From the archive

Although immigration from North Africa is a century-long phenomenon (170, 000 Algerians and 130, 000 Moroccans were recruited to fight for France in the first world war), what sticks in the memory is the bitterness of the Algerian war of 1954-62, when Frenchmen and Algerians killed and tortured each other with enthusiastic brutality.

ECONOMIST: France's Muslims