The last US-Russia nuclear pact expires, prompting fears of a new arms race

Associated Press (AP)EN 5 min read 100% complete February 5, 2026 at 09:23 AM

The last US-Russia nuclear pact expires, prompting fears of a new arms race

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The last remaining nuclear arms control pact between the US and Russia has expired, raising concerns about a potential new arms race. The treaty, known as New START, was signed in 2010 and limited the number of strategic nuclear warheads, missiles, and bombers that each country could possess. With its expiration, there are now no legally binding limits on the nuclear arsenals of the two nations. The absence of an agreement increases the risk of unchecked nuclear weapons development and deployment, potentially escalating tensions between the US and Russia. The treaty's end marks a significant setback for nuclear arms control efforts.

Key Entities & Roles

Key Player Opposition Context

Czech Republic 30% Middle East 40% Plesetsk 40% U.S. Air Force 50% Dmitry Medvedev 60% Barack Obama 60% New START Treaty 70% Vladimir Putin 70% Donald Trump 70% United States ×590% Russia ×390%

Keywords

nuclear pact 90% arms race 80% nuclear weapons 70% us-russia relations 60% treaty 50% intercontinental ballistic missile 40%

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Negative

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Associated Press (AP)

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90%

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United States

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