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Captain Sweden said:
I wonder what the effect a world-wide terrorist strike against oil refineries and oilfields would have on the world economy. A new depression, maybe?



A large chunk of the US economies' troubles over the last five years was due to 9/11, and the fact they attacked the US's major financial markets. So, yeah, that's possible.

OTOH, we've been led to believe that a big chunk of the backing for the terrorists comes from the oil shieks. So that could be a major "bite the hand that feeds you" scenario.