A nation’s ability to call up hundreds of thousands, even millions, of its citizens and commit them to such a bloody conflict, while mobilizing those at home to fill the gaps left behind by their absence, directly stemmed from the rise of nationalism. Nationalism grew in popularity over time; its promotion was eased by the influx of technology used to develop and distribute mass media. Radio addresses by political leaders allowed for the efficient spread of political ideology, while weekly wireless programs could be used to give citizens a feeling of association with national broadcasters and popular figures. These associations helped grow a sense of national unity and cohesion, an important step for a government in need of a workforce, or more urgently, a fighting