apart from no tariffs, very fast transport of goods with the help of horse powered rail network... and no merchant is allowed inside the territory anyway, they'll go "missing" sin the territory is this
"because of its treacherous environment both flora, fauna and mystical alike(ultra rare, ultra strong wild animals/creatures like that of a dragons, wyverns, manticores, even some dinosaurs both herbivore and carnivorous type and many more including flesh eating plants, mischievous fairies other creatures that is hazardous or almost to humans) made this territory a harsh land to live in desp…