While the Great War raged across the trench-lined battlefields of Europe, a hidden conflict took place in the distant hinterlands of the turbulent Mexican Republic.
German officials and secret-service operatives plotted to bring war to the United States through an array of schemes and strategies, from training a German-Mexican army for a cross-border invasion, to dispatching saboteurs to disrupt American industry, and planning for submarine bases on the western coast of Mexico..
While the Great War raged across the trench-lined battlefields of Europe, a hidden conflict took place in the distant hinterlands of the turbulent Mexican Republic