Apu has been captured in the middle of attempting to conduct a mission!
Stuck in a camp as a PoW, he requires quads in order to prevent excessive torture.
Other digits will have less then the ultimately desired effect.
Singles: kicked in the head
Dubs: hot poker repeatedly jabbed onto his back and chest
Trips: boiled alive for three seconds
Quads: he becomes American and gets shot
without any quads, he'll probably be tortured for eternity.