Which retail innovation dramatically transformed commerce in ancient Rome and is considered a precursor to the modern shopping mall?

The ancient world wasn't just about conquests and monuments - it was also home to sophisticated retail systems! From Mesopotamian market stalls to Roman shopping complexes, ancient civilizations pioneered retail concepts we still use today. This poll tests your knowledge of how our ancestors revolutionized the shopping experience thousands of years ago. Can you identify which retail innovation truly changed the commercial landscape of antiquity?

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Trajan's Market - a multi-level complex with over 150 shops and offices
The Agora Token System - wooden coins used exclusively for merchant transactions
The Carthaginian Catalog - illustrated papyrus scrolls showing goods available for order
Persian Royal Exchange - a central marketplace where only gold-backed promissory notes were accepted