Throughout the war internal dissent and personal animosities were the F.L.N.'s single greatest enemy; on the other hand, its greatest strength was the secrecy which (like the mutinies in the French army of 1917 that the Germans never learned about until too late) prevented the French from seizing an advantage.

XREF: Parallels tactical secrecy dynamics in other insurgencies and asymmetric conflicts.

Horne, Alistair, A Savage War of Peace- Alge…, loc. 401