Answer:
The main result from the increase of trade that followed the Crusades was the further development of several European and Middle Eastern cities, especially those with ports in the Mediterranean, and the development of closer ties between the two regions.
Cities like Venice, Genoa, Pisa, Amalfi, Constantinople and Accre benefited quite a lot from this new trade developments, and became, accordingly, some of the wealthiest areas of the region at the time.
Step-by-step explanation: