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Where now for Europe and Ukraine after the NSS?

Analysis by Will Todman, Max Bergmann, and Maria Snegovaya

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Photo: Bettmann / Contributor

Photo: Bettmann / Contributor

Why Did the United States Seize a Venezuelan Oil Shipment?

By itself, the U.S. seizure of a Venezuelan oil cargo won’t rattle oil markets. But it likely signals a new commitment to sanctions enforcement that will complicate “shadow fleet” operations and ratchet up the pressure on Maduro to step aside.

Critical Questions by Clayton Seigle — December 12, 2025

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Why did the U.S. seize an oil tanker off the coast of Venezuela? | Asked & Answered

The United States seized an oil tanker off the coast of Venezuela on Wednesday. What happened, who is involved, and why? What does this mean for Maduro? We turned to CSIS expert Ryan Berg for answers.

Why the U.S. Is Sounding the Alarm on Nigeria | Asked & Answered

CSIS expert Oge Onubogu testified before the House Foreign Affairs Subcommittee on Africa about Nigeria's redesignation as a country of particular concern. What were the key takeaways?

What are the core pillars of the new National Security Strategy? | Asked & Answered

Countering China’s Challenge to U.S. AI Leadership | Asked & Answered

CSIS expert Greg Allen testified before the Senate Foreign Relations Subcommittee on East Asia, the Pacific, and International Cybersecurity Policy on China’s AI diffusion strategy and the interplay between economic security and national security. What were the key takeaways?

Can the Global Order Survive? Meet the 8 States That Matter

On China is a leading resource for policymakers confronting a new era of great power competition, with innovative research, diverse viewpoints, and cutting-edge multimedia from across CSIS

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