Russia has reportedly laid out its demands for ending the war in Ukraine and they mirror previous requests made to Kyiv, the U.S. and NATO.

President Donald Trump says he was “being a little bit sarcastic” when he repeatedly claimed as a candidate that he would have the Russia-Ukraine war solved within 24 hours — and before he even took office.

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.