The last time Ukraine signed a peace accord with Russia, 10 years ago, it brought only sporadic violence, mounting distrust, and eventually full-scale war. Here’s what we can learn from that history.

The United States drew closer to its G7 allies on Friday, overcoming differences, at least momentarily, to back Ukraine's territorial integrity and warn Russia to follow Kyiv in accepting a ceasefire or face possible further sanctions.

More than three years into Russia’s invasion of Ukraine, Russian President Vladimir Putin has maintained inflexible, maximalist conditions for any potential agreement that would end the war. Putin said Thursday he supports in principle the idea of a 30-day ceasefire — proposed by the United States and to which Ukraine has agreed — but noted that its implementation raises many questions,