The Concavity: The large chunk of New England (and parts of southeastern Québec) made uninhabitable by United States waste disposal and the annularized fusion developed to deal with said waste. This process resulted in uncontrollable rapid cycles of growth and decay, rampaging packs of feral hamsters, and giant (also feral) skull-less babies. This land was "gifted" to Canada as part of the O.N.A.N. deal. Known to Quebequois (especially séparatistes) as The Convexity.(IJ)