<P> Critics argue that the NPT cannot stop the proliferation of nuclear weapons or the motivation to acquire them . They express disappointment with the limited progress on nuclear disarmament, where the five authorized nuclear weapons states still have 22,000 warheads in their combined stockpile and have shown a reluctance to disarm further . Several high - ranking officials within the United Nations have said that they can do little to stop states using nuclear reactors to produce nuclear weapons . </P> <P> The NPT consists of a preamble and eleven articles . Although the concept of "pillars" is not expressed anywhere in the NPT, the treaty is nevertheless sometimes interpreted as a three - pillar system, with an implicit balance among them: </P> <Ol> <Li> non-proliferation, </Li> <Li> disarmament, and </Li> <Li> the right to peacefully use nuclear technology . </Li> </Ol> <Li> disarmament, and </Li>

What are the three pillars of the npt
find me the text answering this question