The Bronze Age is a historical period characterized by the use of bronze, an alloy of copper and tin, for tools and weapons. This era followed the Stone Age and preceded the Iron Age, marking significant advancements in technology and culture. The Bronze Age began at different times in various regions, with notable early developments in areas like Mesopotamia, Egypt, and the Indus Valley. During the Bronze Age, societies became more complex, leading to the rise of cities and trade networks. Innovations in agriculture, writing, and art flourished, contributing to the growth of civilizations. The period is also known for the establishment of social hierarchies and the development of early forms of government.