The 1970s energy crises revealed all of the following facts about the American economy except __________.

The crises showed that the United States depended heavily on imported oil and could be affected when OPEC restricted supply or raised prices. They also revealed that Americans consumed more oil than domestic production could sustainably provide. Therefore, the claim that American oil production was enough to meet all the country’s needs was not revealed as a fact; it is the exception. The correct choice is “American oil production was enough to meet all of the country’s needs.”

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