AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
(C) Treaty of Vienna
The Treaty of Vienna of 1815 sought to undo most of the changes that had come about in Europe during the Napoleonic wars and restore the conservative order.
Source: Chapter 1, Section 2.3 – A New Conservatism after 1815
The passage explicitly states that European powers "drew up the Treaty of Vienna of 1815 with the object of undoing most of the changes that had come about in Europe during the Napoleonic wars." The other options are distractors — the Treaty of Constantinople (1832) recognised Greek independence, while the Treaty of Westphalia and Treaty of Paris relate to different historical events entirely.