>>516630667
The united states is declining, which loosens its grip on eurasia. This has allowed china to rise, and with it, the global south/BRICSian nations. Russia can be considered an appendage of china, they won't conflict until the US retreats to its borders. Brazil is notable because it's in the western hemisphere and continues to grow and strenghten its relations with china. This means that enemies of the US have crossed its moat. The monroe doctrine was created for a reason, so the US will try to curb a south american, anti-american uprising (see pentagon brief on SA pivot). But brazil is big, and regime change is unlikely, meaning the US would have to divert a rather significant portion of its resources towards south america. They would have to dig further into our pockets, pull away from eurasia (suicide, as china and russia will fill the gap, immediately), or, this is what's relevant to your post, begin a new technological revolution that will reform the balance of power in their favor, again. Super mega AI or giga quantum computers seem to be that hail mary.

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