By 1914, Europe was a continent on edge. National rivalries, military build-up, secret treaties, and imperial ambitions all contributed to rising tensions. When Archduke Franz Ferdinand of Austria-Hungary was assassinated, those tensions ignited into the deadliest war the world had yet seen. Students will read 11 sources (each grouped into sections: militarism, alliances, imperialism, or nationalism) and answer the corresponding questions in order to increase their understanding of what led to