[Note: In current U.N. usage “Northern America” comprises the United States and Canada, plus the island dependencies of Bermuda (U.K.), Greenland (Den.), and St. Pierre and Miquelon (Fr.). The U.N.’s “Latin America and the Caribbean,” then, includes Mexico and all of Central America, the West Indies, and South America. In its discussion here of the United States and Canada, with brief reference also to Mexi…