A1. the bullets of a gun are made by gunpowder and some chemicals combined to make a bullet. if you dont have gunpowder, you can buy bullets, but they are really costly. to make a knife, get some iron or steel, and make it sharp. i am sorry but i have no idea how to make a real actually working gun that runes of bullets and kills people.
A2. The simplest weapon is possibly a thrown stone, perhaps augmented by a slingshot. And so on to spears and swords, ballista, and to cannon and other propulsive weapons such as handguns and artillery etc. Eventually to ballistic missiles and guided rockets.
the weapons were made of rock or copper XD
The Hyksos weapons were made of bronze.
There weapons were made made out of dwarves 8-
Blacksmiths made, roman weapons such as swords, knives, spears etc.
the military has 78.8billion weapons made in a year
wooden weapons were usually made of oak or ash, and arrows were made of maple most metal weapons were made of steel.
Better weapons were made by armorers. Blacksmiths made weapons, and peasants made weapons by putting agricultural tools like scythe blades and bill hooks on poles. Bowyers made bows, fletchers made arrows, and heavy weapons like catapults were made by engineers. The early cannons were sometimes made by bellfounders.
Professionally made personal weapons were mostly made by armorers. Some weapons were made by blacksmiths. Peasant weapons, such as bills, were made by adapting agricultural tools; a bill was made by putting a bill hook, which was normally used for cutting brush, on a pole. Bows were made by bowyers and arrows by fletchers. Siege weapons were made by engineers.
Certain weapons are made for specific purposes, mostly to solve conflict.
Most siege weapons were made of wood, stone, and sometimes steel.
The Romans made their weapons.
They didn't. Bronze Age people made weapons out of bronze. Neolithics made weapons out of stone and bone.