they were already unreachable but archers helped too
Explanation:
In order to prevent an enemy getting over the wall the castle builders selected their site with great care so that the terrain would be difficult for a belfry to cross. They then made it more difficult by digging a ditch or moat around the curtain walls in order to prevent the towers getting close to the battlements. yet archers played a great role in middle ages by defended castles and kingdoms from top while infantry troops fought.
You seem to have answered your own question as to the general myth regarding centaurs, that they were normally represented as being driven by the "beast" half of their nature and living in wild, Dionysian fashion. (Dionysus was the Greek god of wine and wild feelings.)
There was one centaur in Greek mythology, however, that stood out as different from that traditional representation. The centaur Chiron was noted for his wisdom and served as an instructor to famous Greek characters like Achilles, Jason and Heracles.
The second estate paid the least amount of taxes
Answer:
European society began to trade with more kingdoms and empires