For several years now I have had students in my U.S. history classes play The Royal Geographical Pastime: Exhibiting a Complete Tour Round The World. In which are delineated the North East and North West Passages into the South Sea, and other modern Discoveries.  Thomas Jeffreys, “geographer to the King,” who created and published it in London in 1770 at a moment when the British empire was very powerful, intended…