Traveling Through the Tang Dynasty: Selling Arms Is Not Too Much, Right?

Traveled through the Tang Dynasty and became an arms dealer. Businessmen seeking profit? Who can make money from me selling arms? A traitor is in power? Just asking are you afraid of getting shot? Foreign enemy invades? Can I arm an army to do it? "You ask me what else besides a pistol?" "I also have rifles, machine guns, sniper rifles, shotguns, grenades, mines, mortars, rocket launchers..." "Since Chen Ye, those nomads have become better at singing and dancing!" Li Shimin: "I have a daughter... Forget it, she is not worthy of you!"