Which ancient civilization invented the first known complex system for retail transactions, using clay tablets as 'receipts' that functioned similar to modern point-of-sale records?

Before modern shopping malls and online stores, ancient civilizations developed sophisticated retail systems that shaped commerce for millennia. From the bustling bazaars of Mesopotamia to the complex trading networks of Rome, retail innovation has ancient roots. This trivia question explores how ancient civilizations handled their point-of-sale systems and accounting methods—technologies that laid the foundation for today's retail landscape.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Ancient Sumerians (3500-2000 BCE)
Ancient Egyptians (3100-30 BCE)
Indus Valley Civilization (3300-1300 BCE)
Ancient Chinese Shang Dynasty (1600-1046 BCE)