Final answer:
Robin Hood and Little John's encounter occurs due to a dispute over who should first cross a narrow bridge, leading to a friendly battle.
Step-by-step explanation:
In the tale of "Robin Hood and Little John," their encounter occurs because of the bridge. These two iconic characters meet when they both want to cross a narrow bridge which neither is willing to yield to the other. This sets the stage for a classic encounter that begins with competition and bravado but eventually leads to a mutual respect and a strong friendship. It is the challenge over the bridge crossing that precipitates the Legendary fight between them, using staffs, until they recognize each other's valor and skills.