Final answer:
We know of various trade in cities through historical records, archaeological evidence, and written accounts from different civilizations throughout history. For example, in ancient times, cities like Harappa and Lothal in the Indus Valley had industrial areas where workshops were located, and they had dockyards and warehouses for trade goods.
Step-by-step explanation:
We know of various trade in cities through historical records, archaeological evidence, and written accounts from different civilizations throughout history. For example, in ancient times, cities like Harappa and Lothal in the Indus Valley had industrial areas where workshops were located, and they had dockyards and warehouses for trade goods. Additionally, cities like Constantinople in the Byzantine Empire were major terminus points of trade routes like the Silk Road, receiving goods from China, India, and Central Asia.