Russia struck a sedate tone on Friday but acknowledged grounds for cautious optimism, after only backing the "idea" of a U.S. brokered 30-day ceasefire with firm caveats.

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.

Russian President Vladimir Putin met with U.S. envoy Steve Witkoff to discuss details of the American proposal for a 30-day ceasefire in the war with Ukraine, asking him to convey Moscow's thoughts to Washington,