Here's a challenge inspired Jerry Pournelle's CoDominium series (which had a U.S.-Soviet alliance), the Alliance from Firefly (the United States and the People's Republic of China), and a map posted somewhere by B_Munro showing a "Renaissance CoDominium" (between the Austrian and Ottoman Empires).
Your challenge, should you choose to accept it, is to create a CoDominium to rule the world: two major nations or empires that should have every reason to be either rivals/antagonists instead combine their efforts to effectively rule the Earth together (and later, depending on the era expand into space). They can be from any era, and can last for any length of time.
Have at it...
Your challenge, should you choose to accept it, is to create a CoDominium to rule the world: two major nations or empires that should have every reason to be either rivals/antagonists instead combine their efforts to effectively rule the Earth together (and later, depending on the era expand into space). They can be from any era, and can last for any length of time.
Have at it...
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