Chagos treaty: UK-Mauritius sovereignty deal

1. Question 1Answer B

   The UK Bill to implement the Chagos treaty fell at prorogation on which date?

   • A22 May 2025
   • BCorrect answer: 29 April 2026
   • C13 April 2026
   • D20 July 2026

   Core Trigger: The treaty signed 22 May 2025 was still not in force; its UK Bill fell at prorogation on 29 April 2026.From Book 1 RATNA, topic 101, point 1

2. Question 2Answer A

   For how many years does the treaty let the UK lease Diego Garcia, extendable by 40?

   • ACorrect answer: 99 years
   • B50 years
   • C75 years
   • D125 years

   Treaty Terms: Mauritius gets sovereignty; the UK leases Diego Garcia for 99 years, extendable by 40.From Book 1 RATNA, topic 101, point 2

3. Question 3Answer D

   Which Mauritius Prime Minister signed the Chagos treaty?

   • APravind Jugnauth
   • BAnerood Jugnauth
   • CPaul Berenger
   • DCorrect answer: Navin Ramgoolam

   Signatories: Then UK Prime Minister Keir Starmer and Mauritius Prime Minister Navin Ramgoolam signed it; Andy Burnham has been UK PM since 20 July 2026.From Book 1 RATNA, topic 101, point 3

4. Question 4Answer D

   In the Chagos deal, what does 'leaseback' mean?

   • AUK keeps sovereignty; Mauritius runs the base
   • BBoth states share sovereignty equally
   • CChagossians lease the islands from the UK
   • DCorrect answer: Sovereignty passes to Mauritius; UK keeps using base

   Key Term: Leaseback: sovereignty passes to Mauritius while the UK keeps using the base.From Book 1 RATNA, topic 101, point 4

5. Question 5Answer A

   The treaty provides a trust fund for Chagossians of how much?

   • ACorrect answer: 40 million pounds
   • B101 million pounds
   • C99 million pounds
   • D400 million pounds

   Money Figures: The UK pays about 101 million pounds yearly, plus a 40 million pound Chagossian trust fund.From Book 1 RATNA, topic 101, point 5

6. Question 6Answer D

   India's MEA welcomed the treaty, citing India's stand on which principles?

   • ANon-alignment and strategic autonomy
   • BFreedom of navigation and overflight
   • CNuclear non-proliferation and disarmament
   • DCorrect answer: Decolonisation and territorial integrity

   India Link: India's MEA welcomed the treaty on 23 May 2025, citing its stand on decolonisation and territorial integrity.From Book 1 RATNA, topic 101, point 7

7. Question 7Answer B

   Diego Garcia lies about how far south-west of India?

   • A1,296 km
   • BCorrect answer: 1,796 km
   • C2,296 km
   • D2,796 km

   Location: Diego Garcia lies in the Indian Ocean, about 1,796 km south-west of India.From Book 1 RATNA, topic 101, point 8

8. Question 8Answer A

   In which year did Britain detach Chagos from Mauritius, creating the British Indian Ocean Territory?

   • ACorrect answer: 1965
   • B1960
   • C1968
   • D1971

   Founded: Britain detached Chagos from Mauritius on 8 November 1965, creating the British Indian Ocean Territory.From Book 1 RATNA, topic 101, point 9

9. Question 9Answer A

   Consider the statements. 1. The ICJ advisory opinion of 25 February 2019 held that Mauritian decolonisation was not lawfully completed. 2. The opinion was adopted unanimously. Which is/are correct?

   • ACorrect answer: Only 1
   • BOnly 2
   • CBoth 1 and 2
   • DNeither

   Landmark: ICJ advisory opinion, 25 February 2019: Mauritian decolonisation was not lawfully completed; the UK must end administration (13-1).From Book 1 RATNA, topic 101, point 10

10. Question 10Answer D

    Consider the statements. 1. ICJ advisory opinions are binding on the states concerned. 2. A signed but unratified treaty binds its parties from the date of signing. Which is/are correct?

    • AOnly 1
    • BOnly 2
    • CBoth 1 and 2
    • DCorrect answer: Neither

    Doctrine: ICJ advisory opinions are non-binding; a signed but unratified treaty binds no one until it enters into force.From Book 1 RATNA, topic 101, point 12

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