system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why would two countries sign an agreement promising to end to a war, rather than just signing an agreement that actually ends it?
gpt
Negotiating an actual treaty takes months and doesn't make for any good sound bites.  An agreement to negotiate a treaty, on the other hand, can be written up on a napkin and signed in a matter of minutes and gives both parties something to wave in front of the media and claim as a victory.