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The JDPEN (aka JDPON) is a hypothetical political construct, a worldwide government lead by third-world communist movements which engages in a quite radical redistribution of wealth. Its supposed origin is that the third world, which is economically exploited to a vast degree by the first world (through politics, military force, espionage, et cetera), will rise against these conditions with some derivative of Marxism, leading to a cascading collapse of the economic systems of the first world without the importation of raw resources they are so reliant on.
It's historical inevitability is certainly... debatable, but here's the challenge: make it so. Put so much of the world's raw resources which are located outside of the first- and second-world's borders under the control of local, self-ruled communist governments that the first world's living standards cannot continue. And remember: Soviet satellite states (and their equivalents) don't count.
If you'd like to read more about Maoism-Third Worldism and the Joint Dictatorship of the Proletariat of Exploited and/or Oppressed Nations, check out Monkey Smashes Heaven.