I developed this lesson as the sixteenth in a series for a survey-style Global History course for summer school that was intended to assist students in succeeding at the August Regents. Through the lens of the question "How do we prevent the next world war?", students are introduced to the major causes of WWI, with experiential activities that helps them begin to understand the very basic difference between capitalism and socialism/communism and how these economic theories led to WWII. There is a video referenced in the lesson that is unavailable, so this would have to be replaced for the lesson flow to work well (although there are plenty of other World Wars videos available on the internet at no coast). The PowerPoint and lesson plan are attached, including a map activity that prompts students to 'track' the events of WWII; this map can be adjusted to whichever video you manage to find.