system
Given the following post, respond as if you're commenting on Reddit:
human
CMV: Nationalism and other forms of tribalism are counterproductive. For all.

Most of our bigger issues can't be solved effectivelly as long as different human societies dont get together under some sort of coordinating body.

Examples of the issues I'm hinting at: Achieving world peace, terminating world hunger, effectively fighting climate change, stopping the biodiversity loss: Managing working conservation policies, etc.

 A succesful case where this has been performed to an extent is the E.U.

As a Spaniard born and raised in Brussels I can tell you that E.U. influence has been very succesful in raising our economic level, political stability, introducing democratic values, augmenting our opportunities and a whole lot of other things. I'm sure citizens of  other southern European states (set back because of fascist authoritarian regimes) or Eastern Europran states (set back because of communist authoritarian regimes) will share my views on this one.


Some ways in which a tight international coopertion and coordination (which in the end is some form of world federation) might serve to fight the aformentioned causes:

A) If we interwine the different economies, promote mobility (and hence have people from all over working and making ties with all places) and have a coordinating body, war becomes very very unlikely (just like war hasnt broken within E.U. since its inception). You also create an umbrella world identity to which people can appeal instead of the classical tribal approach of hating the neighbourg.

B) If all food production ultimatelly falls under the authority of a single organization, its easier to pass policies that adjust food production and repartition to the needs of the population.

Etc.
gpt
Well, how are you going to unite the entire world? How are you going to make it so all cultures and races can coincide with eachother peacefully?

When Hannibal Barca attacked Roman land in the Second Punic War, it is said that one of his greatest achievements as a general was uniting multiple cultures and races under his banner due to making them loyal to them, how do you hope to achieve this in a world wide, permanent scale?

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Also if food production falls under the authority of a single organisation then you have incredibly dangerous prospects of authoritarianism.