The Weimar Republic faced many threats. What happened in the Ruhr in 1923?

One mark for each relevant point.
Responses may include the following:
- The French and Belgians occupied it.
- The French and Belgians seized coal to compensate for reparations not paid.
- The Germans used passive resistance.
- There was violence and shootings with Germans being killed and expelled.
- The strikes led to a fall in income for the German government.
- The German government printed money, leading to hyperinflation.
- Stresemann ended passive resistance.