Its just a fact. Can you please state the actual question? Thats how brainly works
The bubonic plaque changed the social structure of Europe by this:
Before, the nobles and aristocrats were the 'body' that ran almost everything political. However, after the bubonic plague, this was shifted towards the common people. So the common people basically got more rights.
hope this helps :D
Answer:
there were 5 on three of the planes, and four on the fourth
