What were the major empires of the classical age?

The major empires of the classical age included the Roman Empire, renowned for its vast territorial expansion and cultural influence; the Han Dynasty in China, noted for its innovations and consolidation of power; and the Persian Empire, recognized for its administrative efficiency and cultural diversity. Additionally, the Maurya Empire in India played a significant role in promoting trade and spreading Buddhism. These empires shaped trade, governance, and cultural exchanges across their regions and beyond.