Nine charts illustrate the extraordinary level of support the United States has provided Ukraine in its war against Russian invaders.

Policymakers face complex cost-benefit considerations when intervening in the market to mitigate perceived risks, from climate change to competition with China.

Legal principles matter as two major democracies—Taiwan and Ukraine—are threatened by superpower neighbors. Whether one argues about Taiwan’s status as a country or a province of China, it is a vibra…

If conflict were to break out between China and Taiwan, the latter’s right to defend itself would hinge on its international legal status and the circumstances of the hostilities.

His aggressive stance toward China could force many in the region to pick a side.

The U.S. secretary of state appears to have one foot out the door—and that’s exactly what U.S. diplomats have been waiting for.

Israel has long been the leading recipient of U.S. foreign aid, including military support. That aid has come under heightened scrutiny amid Israel’s monthslong war to eliminate Hamas.