Answer: A) True
Step-by-step explanation:
The use of glass in cathedrals intensified during the developed Middle Ages, more precisely around 1000. years. The Byzantines were at the forefront of the production of decorative glass for religious buildings. Later, Venice took over dominance in that type of production. The masters who made and decorated the glass in the middle screw were extremely appreciated. Various religious motifs were painted and engraved on the glass. This process was extremely expensive in the Middle Ages; the church could afford it. When we talk about the population, only the richest could afford glass windows.