- Coal, Iron and the Zollverein expaned Prussia's industry and trade. Railways made transport easier and modernisation of the army made Prussia's military powerful.
- The Zollverein also united the German states in an economic union.This success promoted the idea of a political union.
- Prussia's now prospering economy meant that modernisation of Prussia was possible. New railways meant that troops could be mobilised more quickly and efficiently and it strengthened her military power. This…