What is the development of science and technology in the cold weapon period? What's the impact on the army?

The cold weapon period runs through the whole process from stone tools to bronze and iron, that is, from the appearance of war to the military application of gunpowder, all belong to cold weapon stone tools. From ancient times to the Five Dynasties, tools, bows and arrows and fire were tried, and primitive planting and animal husbandry techniques, pottery-making techniques, metallurgical techniques, machinery manufacturing and shipbuilding techniques, building techniques, and scientific and technological developments such as astronomy, mathematics, physics, chemistry and medicine emerged.

The emergence of cold weapon technology in science promotes the emergence and gradual development of cold weapon technology, and at the same time has a great impact on military structure, combat formation and tactics, and has a great impact on operational command and military theory.