Answer:
When the first civilizations did begin trading with each other about five thousand years ago, however, many of them got rich…and fast.
Trade was also a boon for human interaction, bringing cross-cultural contact to a whole new level.
Luxury goods
When people first settled down into larger towns in Mesopotamia and Egypt, self-sufficiency – the idea that you had to produce absolutely everything that you wanted or needed – started to fade. A farmer could now trade grain for meat, or milk for a pot, at the local market, which was seldom too far away.
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