The Transcaucasian Commissariat decided to strengthen the Georgian-Armenian-Azerbaijani union by general assembly known as what?
Transcaucasian Commissariat:  The Commissariat decided to strengthen the Georgian–Armenian–Azerbaijani union by convoking a Diet or general assembly ("Sejm") in January 1918. Convocation: A convocation (from the Latin "convocare" meaning "to call/come together", a translation of the Greek ἐκκλησία "ekklēsia") is a group of people formally assembled for a special purpose, mostly ecclesiastical or academic.
A convocation (from the Latin "convocare" meaning "to call/come together",