"Lui unisce la gente."
One of the correct solutions is "The unites the people", but that's not right, is it?
This was not an accepted answer 5 days ago (see above), but they may have changed it. They do respond to suggestions and error reports.
Did you report it? Under "Report an error" there is usually the choice, "My answer should be acccepted." I think I'm starting to bug them. I know a bit more Italian than I "should" at this level, and I'm sure I know English better than they do :-) This really should be an acceptable answer. Maybe they don't understand the different meanings of "to join." Chi sa?