What the Heck Is a Henry J?

I will enlighten you. But first, a bit of history.

Oil Embargo, 1973–1974

During the 1973 Arab-Israeli War, Arab members of the Organization of Petroleum Exporting Countries (OPEC) imposed an embargo against the United States in retaliation for the U.S. decision to re-supply the Israeli military and to gain leverage in the post-war peace negotiations.