How nationalism grew in Europe: the French Revolution and Napoleon, liberalism, the Vienna settlement, 1848, and the unification of Germany and Italy.
| French Revolution | 1789 |
| Napoleonic Code | 1804 |
| Congress of Vienna | 1815 |
| Zollverein | 1834 |
| Italy united; German Empire proclaimed | 1861; 1871 |
| Plebiscite | a direct vote of all the people of a region on a proposal |
An elle was 54.7 cm in Frankfurt and 55.1 cm in Mainz. How much more or less cloth, in cm, does a buyer get for 19 elles in Frankfurt than in Mainz?
Working: 19 × (54.7 − 55.1)
Answer: 7.6 cm less