USA HISTORY

Detailed explanation-1: -Weapon. Any item of equipment supplied by States or armed groups to their armed forces or members so that in an armed conflict they can take violent action against the enemy, and whose use, within the limits justified by military necessity and the rules of international humanitarian law, is legitimate in time of war.

Detailed explanation-2: -Generally, there are three types of firearms: rifles, shotguns and handguns. The three basic parts of a modern firearm are: action, which loads, fires and ejects ammunition. barrel, a metal tube that the projectile passes through.

Detailed explanation-3: -The history of firearms begins in 10th-century China, when bamboo tubes containing gunpowder and pellet projectiles were mounted on spears to make portable fire lances, operable by one person. This was later used effectively as a shock weapon in the Siege of De’an in 1132.