<prompt> Translate the following text to EnglishKukosa kutekeleza tishio la NATO, ambalo tayari limetolewa, kutaharibu uaminifu wa NATO, ambayo utulivu wa Ulaya na uaminifu wetu unategemea, alisema Clinton.  <response>: Failure to make good on NATOs already-delivered threat would undermine the credibility of NATO, on which stability in Europe and our own credibility depend, said Clinton. 