Imagine a team of archaeologists living three thousand years in the future. They work at digging out the remains of an ancient civilization on the Eastern shore of the Mediterranean Sea, a region that its ancient inhabitants called “Syria.” The archaeologists find clear evidence that the Syrian civilization collapsed in correspondence of a series of disasters: a severe drought, a civil war, the destruction of cities by fire, foreign invaders, a reduction in population, and more. The evidence for these event is clear, but what exactly caused them? Our future archaeologists are baffled; they suspect that there is a single reason for this coalescence of disasters, but they can’t find proof of what it could have been. One of them proposes that it had to do with the fact the ancient Syrians were extracting something from underground and using it as a source of energy. But, without reliable data on the production trends, they cannot prove that oil depletion was the basic cause of the Syrian collapse.
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