The answer is going to be B
The answer is B: More people began to read and write arabic
Both Giovanni di Arrigo and Giovanni di Nicolao Arnolfini were Italian merchants, originally from Lucca, but resident in Bruges since at least 1419. The man in this painting is the subject of a further portrait by van Eyck in the Gemäldegalerie, Berlin, leading to speculation he was a friend of the artist.
I need to see more of the question to answer
Civilians did things such as mend clothing for soldiers, make ammunition from household silver, and many women followed their husbands to the battlefield where they washed, mended, and cooked for troops. Very few were able to fight in combat, but some women did.