The best and most correct answer among the choices provided by the question is the second choice "promote the trade of cities along the North and Baltic Seas."
The Hanseatic League (also known as the Hansa) was an alliance of trading guilds that established and maintained a trade monopoly along the coast of Northern Europe, from the Baltic to the North Sea, during the Late Middle Ages and Early modern period (circa thirteenth–seventeenth centuries).
I hope my answer has come to your help. God bless and have a nice day ahead!
