Sequence of Events

Place the following events in the order in which they are described in the text. Drag each item to its appropriate column in the table and click Submit.

1. Austria-Hungary declares war on Serbia.
2. European nations build up their armies and navies, and form military alliances.
3. In June 1914, Archduke Ferdinand of Austria is assassinated by a Serb to advance Slavic unification.
4. The war spreads among European nations.
5. Political tensions are increasing in Europe.
6. Rising nationalism, ethnic separatism, competition for colonies.
7. In Austria-Hungary, the Slavic people want to form their own nation.