<human>: Question: Who proposed that change was needed in the way business with the Greeks was to be conducted  ?

Is "In later times, the Romioi plied the sea-lanes of the Mediterranean and controlled trade until an embargo imposed by the Roman Emperor on trade with the Caliphate opened the door for the later Italian pre-eminence in trade." the correct answer?

OPTIONS:
- yes
- no
<bot>: yes