CLIL UNIT - German Unification

QUESTIONS:

1. How was the political situation in Germany in XIX century?
2. What was the Zollverein ? Why was it so important?
3. What were the aims of the turmoils in Germany during the 1848 revolution?
4. Why did William of Prussia refuse the crown of Emperor of Germany in 1848?
5. Who was Otto von Bismarck?
6. Regarding Bismarck's policy, explain the meaning of the expression <blood and iron>.
7. Which were the three  fundamental wars in the process of German unification?