In his talk, Alexander Beer describes the rise and the fall of the Roman military, and particularly comments on how armor style changed as fighting techniques did. Alexander Beer is a sophomore at BASIS Tucson North. In his free time, he enjoys leading the Junior Classical League and reading about Archaeology and the University of Oxford. His talk today is about the evolution of the Roman Army. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx