To be fair, the US does have shortnose trucks as well, they’re just a breed kept mainly for very local work where, like the above says, they are working in places with lots of turns, shorter drives, and plenty of stops. I see them used for garbage pickup a lot, where a longnosed Mack wouldn’t be able to fit much less maneuver, and the short nose prevents them from getting rubs (raw skin or even open sores) on their snouts.
I would also like to point out that the tags have got it backwards. The wild trucks (which I’m pretty sure are extinct in the wild now) that all modern breeds stemmed from were shortnose trucks. We had known about automobiles and domesticated several species, but the truck species was not discovered until close to the start of the 1900’s, in Germany, which I BELIEVE was the first country to breed them in captivity, although England was the first country to really start using them for work. I managed to find a photo of taxidermied specimen
As you can see, it resembles both long and short nosed breeds, as well as the far more common house truck used by individuals instead of for commercial work.
As to the aggression, while the mack longnose LOOKS aggressive, they’re generally gentle giants (although please do give them space on the road! not seeing you in their blind spot is NOT the same as aggression!), it is actually the smaller house truck that is often trained by their handler to be aggressive: the keyword being TRAINED, they are also not naturally aggressive. The only time I have seen a mack be commonly aggressive is when they are pulling 2 gravel trailers, and I would be cranky if I was being overworked, too. If you see them hauling that kind of load, just give them space, and you’ll be fine.