The '''Amero''' is the proposed currency for the proposed [[North American Union]]. The introduction of a supranational currency has been discussed since the 1990s<ref>Anon. "The 'Amero' What of sovereignty?"; ''Pittsburgh Tribune-Review''; May 27, 2006. [http://www.pittsburghlive.com/x/pittsburghtrib/opinion/archive/s_455425.html]</ref> and novelty coins have been minted annually since 2007.<ref>Designs Computer, LLC; ''UNA Amero Pattern Coins'' [http://www.dc-coin.com/unaameropatterncoins.aspxDesigns Computer, LLC; ''UNA Amero Pattern Coins'']</ref> If circulatedapproved, the Amero would replace the United States Dollar, Canadian Dollar, and Mexican Peso. Some commentators have argued that the Amero's introduction would impact each nation's political and economic sovereignty.
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