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I understand that this might be hard to answer but in a scenario where every action results in a positive outcome and everything needed gets the thumbs up and goes well (spoiler: this never happens) what would be needed to create a single global government with a single monarch, president, dictator or ruler and a single global currency & economy?

Would revolutions of this magnitude be as bad as "regular" revolutions or would it be worse?

closed as primarily opinion-based by user1530, SJuan76, Drunk Cynic, PointlessSpike, bytebuster Feb 10 '16 at 19:09

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise. If this question can be reworded to fit the rules in the help center, please edit the question.

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    This belongs on worldbuilding.se – user1530 Feb 9 '16 at 6:07
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    @blip I'm asking what is needed to achieve this (if even possible) politically & economically in real life and not in an imaginary world. – user7240 Feb 9 '16 at 6:15
  • worldbuilding.se looks like a great site thanks for introducing it to me. – user7240 Feb 9 '16 at 6:15
  • @Mango, The future IS an imaginary world. – PointlessSpike Feb 10 '16 at 15:26
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    I don't thing that Sweden and Saudi Arabia can form a government by other means than conquer. Also consider that in 1950 3 out of 4 most populous countries in the world had awful governments: India, China and USSR. No one can guarantee that our world president would be someone like Eisenhower. – user14816 Aug 23 '17 at 4:44
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The idea of a World Government is pretty old and has already been discussed by many philosophers and politicians.

Theoretical benefits of this concept:

  • Humanity would no longer be split
  • Worldwide peace & no military needed
  • Better wealth, food, and medical distribution
  • One economy & currency
  • ....

Requirements:

To establish this system a global crisis is needed. This could be a world wide economic crash, a great war or a humanitarian disaster. The suffering of people must be high. Media and the current governments need to cooperate to convince the citizen. Otherwise it's impossible to change the system. Only agony makes the people forget their national pride.

What's needed to keep this state ?

One executive, legislature, judiciary and constitution. There will be one main government which consits of representatives of old governments and economy. The administration is divided between several federal states which are subordinated to the main government. The federal states have a limited power to act. They are mainly for law execution and management. The currency system will be renewed and the economy more regulated. There will be more monitoring of citizens to measure the dissatisfaction of the people to avoid riots.

Conclusion

A World Government is possible. The consequences before it is established are particularly bad for the citizen. To keep the system all lose some freedom to obtain long-term peace.

That's not my opinion what should happen. It's just a szenario.