The assassination of Archduke Franz Ferdinand of Austria. Alliances between major powers created a domino effect. Militarism and the arms race increased tensions. Nationalism and ethnic tensions within Europe. Imperial competition and colonial disputes.
The assassination of Archduke Franz Ferdinand of Austria. Alliances between major powers created a domino effect. Militarism and the arms race increased tensions. Nationalism and ethnic tensions within Europe. Imperial competition and colonial disputes.