5. For the advantages of such a microcosmic approach to modern world regional history, especially as paired with GIS—produced 3—D terrain models, see an article by Jim Brown and Douglass Sullivan—Gonzalez, “A 'Great Roads’ Approach to Teaching Modern World History and Latin American Regional Survey Courses: A Veracruz To Mexico City Case Study.” Teaching History, vol. 27, No. 2 (fall 2002), pp. 59–73.