It was the rise of local mono-cultural __nationalism_____ that led to the break-up of the Empire, when Slav nationalism resulted in the ____assassination____ of Archduke Franz Ferdinand, heir to the Austrian throne on June 28, 1914 and Austria-Hungary was ___catapulted____ into the armed conflict that became World War I. The post-World War II European space of a European Union of states with free movement of people and of goods and pan-European human rights ___legislation___ at its center could be seen as resurrecting the Austro-Hungarian model.