A. Exporting oil to Israel,
Because, 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.
I'm not sure though
During the English Commonwealth period, the Levellers demanded that all citizens should have a voice in the government.
A. Cash crops such as tobacco and sugar required many workers.