|How to make Oldowan tools.|
|How to make Acheulean tools.|
Mousterian were far smaller, thinner, and sharper. They worked well as knives and hide scrappers.
Metallurgy did not spread everywhere at the same time. When one kingdom gained knowledge a smelted metal, they would guard it well so that they would have an advantage in battle. On top of that, there were also geographic boundaries to how far metal weapons spread. Up until the Age of Exploration, natives in North America, South America, and Australia, as well as many islands still used stone weapons.