AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
(B) It abolished tariff barriers and reduced the number of currencies from over thirty to two.
Source: Chapter 1 – Nationalism in Europe, Section 2.2
The passage directly states: "The union abolished tariff barriers and reduced the number of currencies from over thirty to two." Options A, C, and D are factually incorrect — the Zollverein was an economic customs union, not a military or political institution.