Something like The Dawn of Everything. If you can break people out of thinking that the modern nation state - like capitalism - is not some eternally existing aspect of human nature, but rather something that is uniquely dependent on the material conditions of the time period in which it exists, then I think you can start breaking down walls.

A lot of how you reach folks in the global north is just breaking them out of thinking that a) everything that exists now is pretty much how it’s always been just with different clothes and haircuts, and b) “human nature” limits our potential. People who are willing to challenge their assumptions can turn pretty quick, actually.