Arab nations of the Organization of Petroleum Exporting Countries (OPEC) imposed an embargo against the United States and its allies as a response to the U.S. decision to provide military support to the Israeli in order to give the Israel a jump start in the post-war peace negotiations.
The Constitution provides that an amendment may be proposed either by the Congress with a two-thirds majority vote in both the House of Representatives and the Senate or by a constitutional convention called for by two-thirds of the State legislatures.
The role of a citizen in Mexico is the changing of political parties.
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