This is an 11 x 17 mini-poster with 12 Greek and Latin roots linked to common vocabulary words related to diplomacy and war. This resource works well in a US government class but is popular in world history, geography, and other social studies classes, too. This poster is often used on bulletin boards; but, some teachers print it out for interactive notebooks, organizers, handouts, lecture notes, etc. However you use this poster, it will be invaluable for helping students learn, internalize, a