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Topic 126 · Summits, Conferences & Treaties

New START expires: US-Russia arms control ends

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Revise the 12 points first Book 1 RATNA

Core Trigger: New START, the last US-Russia nuclear arms control treaty, expired on 5 February 2026.
Treaty Limits: It capped each side at 1,550 deployed strategic warheads on 700 delivery vehicles.
Signatories: The United States and Russia signed it in 2010; Barack Obama and Dmitry Medvedev were the presidents.
Key Term: Strategic warheads are long-range nuclear warheads carried on intercontinental missiles, submarine missiles and bombers.
Lineage: START-I (1991) was followed by the Moscow Treaty, or SORT (2002), and then New START.
Stakeholders: The two states hold the world's largest nuclear arsenals, now without any treaty limit.
India Link: India is not an NPT party; it follows a declared no-first-use doctrine and credible minimum deterrence.
Venue: New START was signed in Prague, Czech Republic, on 8 April 2010.
Founded: It entered into force on 5 February 2011 for ten years, extended once by five years in 2021.
Landmark: The Nuclear Non-Proliferation Treaty (1968, in force 1970) obliges nuclear states to pursue disarmament under Article VI.
Treaty Law: Article 26 of the Vienna Convention (1969) requires parties to perform treaties in force in good faith.
Doctrine: Pacta sunt servanda: obligations last only while the treaty is in force; expiry ends them without breach.

Question 1 of 10

On which date did New START, the last US-Russia nuclear arms control treaty, expire?

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Answer: (D) 5 February 2026

Core Trigger: New START, the last US-Russia nuclear arms control treaty, expired on 5 February 2026.From Book 1 RATNA, topic 126, point 1

Question 2 of 10

New START capped each side at 1,550 deployed strategic warheads on how many delivery vehicles?

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Answer: (C) 700

Treaty Limits: It capped each side at 1,550 deployed strategic warheads on 700 delivery vehicles.From Book 1 RATNA, topic 126, point 2

Question 3 of 10

Which Russian president signed New START in 2010 with Barack Obama?

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Answer: (A) Dmitry Medvedev

Signatories: The United States and Russia signed it in 2010; Barack Obama and Dmitry Medvedev were the presidents.From Book 1 RATNA, topic 126, point 3

Question 4 of 10

Consider: 1. Strategic warheads are carried only on bombers. 2. Strategic warheads are long-range nuclear warheads. Which is correct?

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Answer: (B) Only 2

Key Term: Strategic warheads are long-range nuclear warheads carried on intercontinental missiles, submarine missiles and bombers.From Book 1 RATNA, topic 126, point 4

Question 5 of 10

The 2002 Moscow Treaty is also known by which acronym?

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Answer: (D) SORT

Lineage: START-I (1991) was followed by the Moscow Treaty, or SORT (2002), and then New START.From Book 1 RATNA, topic 126, point 5

Question 6 of 10

India follows a declared no-first-use doctrine and which posture?

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Answer: (C) Credible minimum deterrence

India Link: India is not an NPT party; it follows a declared no-first-use doctrine and credible minimum deterrence.From Book 1 RATNA, topic 126, point 7

Question 7 of 10

New START was signed in which city on 8 April 2010?

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Answer: (A) Prague

Venue: New START was signed in Prague, Czech Republic, on 8 April 2010.From Book 1 RATNA, topic 126, point 8

Question 8 of 10

New START entered into force in which year?

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Answer: (B) 2011

Founded: It entered into force on 5 February 2011 for ten years, extended once by five years in 2021.From Book 1 RATNA, topic 126, point 9

Question 9 of 10

Article VI of the Nuclear Non-Proliferation Treaty obliges nuclear states to pursue what?

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Answer: (B) Disarmament

Landmark: The Nuclear Non-Proliferation Treaty (1968, in force 1970) obliges nuclear states to pursue disarmament under Article VI.From Book 1 RATNA, topic 126, point 10

Question 10 of 10

Consider: 1. Article 26 of the Vienna Convention (1969) requires treaties in force to be performed in good faith. 2. Expiry of a treaty is a breach. Which is correct?

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Answer: (A) Only 1

Treaty Law: Article 26 of the Vienna Convention (1969) requires parties to perform treaties in force in good faith.From Book 1 RATNA, topic 126, point 11

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