What is NWO really? Is it a Conspiracy Theory?

NWO - NEW World Order is a powerful conspiracy theory. For many years, it was mocked. But... politicians mentioned this name in their speeches... Jan Paweł II, US Presidents, British politicians, and the current Prime Minister of Poland, Mateusz Morawiecki openly mentioned NWO. Why did they promote this system, even though it is a conspiracy theory? Arguments from Global Research, Jens Jerndal, a doctor of medical sciences (MA), an MSc in economics, a qualified doctor. I invite you to watch the videos: https://ccfound.com/en/marketplace/courses/2010