Answer:
b. were used for insulation.
Step-by-step explanation:
Tapestry flourished in Europe during the Middle Ages due, on the one hand, to the abundance of wool and, on the other hand, to the amount of labor available, although it was already exercised by the Greeks and Romans in antiquity.
The oldest tapestries, usually produced in convents and intended for churches, have a religious theme.
Over time, carpets began to be used more in castles, according to legend that served to warm the environment built with high stone walls.
There were independent weavers who traveled with their looms to fulfill orders. These secular rugs incorporate legends, fables, pagans and themes of chivalry romance.