Most of the differences I was aware of were on the part of Starfleet, but Nero had been altering history on an interstellar level for twenty years. The largest change being the destruction of Vulcan.

[He looks at Chang's hands when he's getting the tankard. He gives the wall a cursory glance for signs of where Chang vented his own frustration.

He smears his hand down his face and then through his hair.]

What are you going to do now?