It dislodged Pisa in the western Mediterranean, whittled away at Venice's hold on eastern ports, and set up colonies on the Black Sea for trade with Russia and faraway Cathay.
Its colonies traded with Russia and Cathay.
mnli hypothesis: Its colonies traded with Russia and Cathay. premise: It dislodged Pisa in the western Mediterranean, whittled away at Venice's hold on eastern ports, and set up colonies on the Black Sea for trade with Russia and faraway Cathay.