AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
Prussia took the initiative in forming the zollverein (customs union) in 1834, which was joined by most of the German states.
Source: Chapter 1, Section 2.2 (Economic Nationalism)
---
The answer is directly stated in the passage: "In 1834, a customs union or zollverein was formed at the initiative of Prussia." Just name the state and briefly state what the zollverein was — that's enough for 1 mark. Do not add unnecessary detail.