Hamas’s attack on Israel and the ensuing war in the Gaza Strip raise a host of questions about the combatants’ legal obligations.

Russia’s invasion of Ukraine violates the UN Charter and cannot be justified under international law as an act of self-defense or humanitarian intervention.

In crafting a new international economic policy that works for Americans and advances U.S. interests, policymakers will have to weigh multiple trade-offs.

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.