cause they can destroy the bench without getting fined..
maybe because they have nothing to lose because the maffia runs their country ?
maybe because they were the only country who could keep off the germans in 45 ?
maybe another 100 reasons..

 maybe just because they train hard?? Since there mught not be that much to do otherwise...

 thats > reason 34

 If im not mistaken there was some north american back up...but that was later on..Just sayen