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United States of America

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Despite polarized domestic politics and social tensions, the United States remains a major player in international relations, on the economic, military and diplomatic levels.

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Date de publication
February 2026

Mind the Deterrence Gap: Assessing Europe’s Nuclear Options

Accroche

Europe must urgently confront a new nuclear reality. In recent years, Russia’s nuclear-backed revisionism has reintroduced nuclear coercion and the threat of nuclear escalation to the continent, underscoring the importance of credible nuclear deterrence. At the same time, Europe’s traditional reliance on US extended nuclear deterrence appears politically more fragile than at any point since the Cold War. Together, these developments require Europeans to think about their nuclear options.

The War on Terrorism: What Does it Mean for the Institutions?

Date de publication
01 September 2002
François VERGNIOLLE DE CHANTAL

The United States Confronted To Vulnerability

Date de publication
30 December 2001
Image de couverture de la publication
Les Etats Unis et l'ONU dans l'après-guerre froide

The United States and the UN after the Cold War

Date de publication
28 February 2001
Alexandra NOVOSSELOFF

1945, Turn of the Century?

Date de publication
29 November 2000
Maurice VAÏSSE

Hegemony Wired: American Politics and the New Economy

Date de publication
31 October 2000
Accroche

This study analyzes the policy initiatives undertaken by the US government at both the state and federal levels in advancing the present day high-tech economic environment.

Ethan B. KAPSTEIN

The Threat of Nuclear Weapons Should Not Be Eternal

Date de publication
31 March 2000
David MARTIN, Michel ROCARD

Burdensharing in NATO. 2. The US and Transatlantic Burdensharing

Date de publication
01 May 1999
Stanley R. SLOAN Nicole GNESOTTO

Support independent French research

Ifri, a foundation recognized as being of public utility, relies largely on private donors – companies and individuals – to guarantee its sustainability and intellectual independence. Through their funding, donors help maintain the Institute's position among the world's leading think tanks. By benefiting from an internationally recognized network and expertise, donors refine their understanding of geopolitical risk and its consequences on global politics and the economy. In 2025, Ifri supports more than 80 French and foreign companies and organizations.

Ramses Conference, 2024
Related centers and programs
Image principale
Illustration Programme Amériques
Americas Program
Accroche centre

Ifri's work on the Americas region focuses mainly on the United States. Indeed, for more than 20 years, Ifri's Americas Program has provided keys to understanding American society and domestic policy while shedding light on developments in the country's foreign policy, including transatlantic relations and trade issues. 

 

Since 2023, a specific axis on Latin America structures more actively Ifri's research on this region.

 

Ifri's Canada program was active in 2015 and 2016.

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Flag of the United States of America
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