For many policymakers, economic sanctions have become the tool of choice to respond to major geopolitical challenges such as terrorism and conflict.

The U.S. Navy’s dominance of the world’s oceans has made it an indispensable foreign policy tool and a guarantor of global trade, but a mix of challenges is raising difficult questions about its futu…

The alliance is bolstering its military deterrent in Europe amid Russia’s invasion of Ukraine and has expanded to include Finland and Sweden.

Modern vice presidents can trace much of their political influence to the broad reforms that Jimmy Carter and Walter Mondale made to the second-highest elected office in the late 1970s.

Ukraine’s Westward drift since independence has been countered by the sometimes violent tug of Russia, felt most recently with Putin’s 2022 invasion.

Russia has renewed its long-stalled push for unification with Belarus, using the country as a launchpad for its war against Ukraine and a hardening bulwark against NATO rivals to the west.

Russian leaders have watched with mounting resentment as the transatlantic alliance has nearly doubled its membership since the end of the Cold War. President Vladimir Putin has drawn a red line in U…