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WATCH: Unit 7 Overview

The grandsons of those who fought in the First World War went back to war only a few decades later, in an even more devastating and widespread conflict, and one in which great violence was aimed at civilian populations. How did this happen? Was it a result of fascism and authoritarianism—a turn away from the democratic values of the Long Nineteenth Century? Or was it due to the growth of nationalism and racism? Or because of the Great Depression? Or as a result of the uncertain results of the First World War?

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Video transcript