Like, I don’t think passports exist, right? Could a person travel to another Empire/Kingdom?

  • sbird@sopuli.xyz
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    2 days ago

    May I introduce to you the wall? There’s a whole wonder of the world that’s a wall: a Great one in China.

    Also, there used to be people on those walls with pokey things that hurt. People outside the empire/nation/whatever they called it back then didn’t want to go near it when they weren’t supposed to, since they didn’t want to be poked by the pokey things.

    With the invention of firearms, you can shoot a tiny pokey thing really fast! Pokey things have really advanced over the years, for the better or worse.

    • herseycokguzelolacak@lemmy.ml
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      18 hours ago

      The Great Wall was not very effective. China has been successfully invaded many times, including (but not limited to) the Jurchen, Mongols, Manchus and many many others.

      And the Great Wall is an exception. Most walls were around cities, not countries.

    • gandalf_der_12te@discuss.tchncs.de
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      1 day ago

      like, wasn’t the great wall of china (which is actually multiple walls, btw) more a military thing to keep the raiders out? not ordinary merchants or pilgrims.

      • sbird@sopuli.xyz
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        1 day ago

        Yes, to keep the invaders out. That’s border control, no? To control the flow of people between borders, military or otherwise, is border control. To control borders.

    • shalafi@lemmy.world
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      1 day ago

      You still have to have loads of humans to man those walls, along with paying them and the associated logistics. Firearms weren’t too great at range until the 20th century, mostly lacking center-fire cartridges and rifling and such.

      You could control choke points, but nothing was stopping a random dude from walking in through the forest or desert.

      • sbird@sopuli.xyz
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        1 day ago

        Smuggling was a thing back then, right? Paying someone to help you navigate the not so hospitable and easy-to-get-lost-in deserts and forests.