B isn’t the correct answer
The fundamental modernization of ribbed groin vaults in Gothic cathedrals was to accommodate stained glass window. The ribbed groin vault is the connection of two or three barrel vaults yields a rib vault or ribbed vault when they are bordered with an armature of piped masonry often engraved in decorative patterns and associate groin vault is an older custom of vault structure.
John dear I think have a nice day
As they did not understand the biology of the disease, many people believe that the black death was a kind of divine punishment retribution for sins against god such as greed, blasphemy, heresy, fornication and worldliness. By this logic, the only way to overcome the plague was to win God‘s forgiveness.
