AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
(B) To undo the changes brought about by the Napoleonic wars and restore the conservative order.
Source: The Making of Modern Nationalism in Europe, Section 2.3 – A New Conservatism after 1815, Chapter 1
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The passage clearly states the Treaty of Vienna (1815) aimed at "undoing most of the changes that had come about in Europe during the Napoleonic wars" and restoring monarchies to "create a new conservative order in Europe." Options A and D contradict the conservative, anti-democratic spirit of the treaty. Option C describes events of 1866–71, not 1815.