In October 1973<span>, </span>OPEC<span> declared </span>an oil embargo<span> in response to the United States</span><span>' and Western Europe's support of Israel in the Yom Kippur War of </span>1973<span>. The </span>result<span> was a rise in oil prices from $3 per barrel to $12 and the commencement of gas rationing.</span>
