Correct option is A
The correct matching of the political causes of the Revolt of 1857 with their respective areas is:
• A. Right of Conquest - I. Sikkim: The British policy of right of conquest implied annexing territories by defeating rulers, which affected princely states like Sikkim.
• B. Doctrine of Lapse - II. Udaipur: The Doctrine of Lapse, introduced by Lord Dalhousie, was applied to princely states like Udaipur where the British annexed states if the ruler died without a natural heir.
• C. "Good of the Governed" - III. Oudh: Oudh was annexed under the pretext of 'misgovernance' and in the interest of the 'good of the governed', which angered local nobility and peasants.
• D. Abolition of Regal Titles - IV. Tanjore: Regal titles of rulers in places like Tanjore were abolished to undermine their authority, causing resentment.