The wheel isn't that useful if you live on terrible terrain and have nothing to drive it with.
replyI live on a hilly plot and use a wheelbarrow or cart all the time in the summer.
replyllamas and alpacas
replyLlamas were used for some logistics, but they're not the most sturdy, modern Llamas can carry around ~40kg but I'm unsure if it would've been higher or lower with the breeds they used back then. Either way, better than nothing, but definitely no horse.
replyNot great beasts of burden. Barely better than dog with travois, arguably worse than having an extra human to carry things.
replythey did invent the wheel, they just didnt use it for transportion.
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