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 said he agrees in principle with a U.S. proposal for a 30-day ceasefire in Ukraine

U.S. officials arrived in Moscow discuss the proposed 30-day pause in fighting between Ukraine and Russia, but Russia is wary of the deal.