Conversation so far:
where was the third council of constantinople held
The Third Council of Constantinople, attended in the beginning by 100 bishops, later by 174, was opened 7 Nov., 680, in a domed hall, Trullus, of the imperial palace
what happened at the third council of constantinople
The Third Council of Constantinople condemned the monothelites, among them Pope Honorius I, and asserted two wills and two operations of Christ.

Question: why
Self-contained rewrite: why were the monothelites condemned by the third council of constantinople