Constantinople changed to Istanbul after falling to the Ottomans. Istanbul is the name for the city now, too. I hope this helps!
Answer:
Dust bowl
Explanation:
When farmers where looking for new land to start up crops because of a drought
They mainly had Monarchy goverments.
The Republic of Venice was a major financial and maritime power during the Middle Ages and Renaissance, and a staging area for the Crusades and the Battle of Lepanto, as well as a very important centre of commerce (especially silk, grain, and spice) and art in the 13th century up to the end of the 17th century.