Depends on what sources you are talking about.
It would be "price gouging by OPEC" that was especially a significant cause of the 1979 energy crisis that hit America, since America depended heavily on Middle Eastern oil output.
The answer to this question is D. They reacted with indifference to the change
<span>Armed forces (army, navy, air force, national guard) provide for the common defense (as the Preamble to the Constitution says).
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They protect the country from foreign invasion, or from attacks on its trade, and domestically provide a means of suppressing rebellion, insurrection, or civil disobedience.
