What are the advantages of tools and weapons over stone and copper ones?

In the 12th century BC. humanity has entered a new era – the Iron Age. At this time, man learned to melt iron, which made it possible to create more reliable tools. This also greatly influenced the armament. Swords, axes and spears made of iron were much more effective in combat than similar weapons made of bronze and copper. In fact, the Iron Age is directly associated with the beginning of the denouement of large wars and the creation of empires in the east. So the Assyrian Empire appeared, followed by the Persian Empire, and so on.