The United States and its allies are imposing unprecedented sanctions on Russia in response to its invasion of Ukraine. But their effects may be felt far beyond Russia’s borders.

Identifying and assessing the factors that motivate soldiers on the battlefield help explain the conflict so far and how the contest of wills could shift over time.

A review of Nicholas Mulder, “The Economic Weapon: The Rise of Sanctions as a Tool of Modern War” (Yale University Press, 2022).

Vladimir Putin’s rewriting of the history of World War II set the stage for his war in Ukraine.

In late 2021, Congress reformed the military justice system in a way that materially alters the traditional division of prosecutorial responsibility between nonlawyer military commanders and uniformed la...

Terrorist attacks have declined since the start of the pandemic, but it is unclear what factors have driven this trend and whether it will last.

Incoming Chilean President Boric faces numerous social and institutional challenges.