Answer:
Romanesque churches designed with heavy wall pointed or round arches, vaults, and piers for columns. Romanesque architecture came to Europe after the crusade when Europeans went for religious war. Crusaders get to know the architectures of Byzantine Empire, built with thick wall, with fortifications. The metalworking also came for the fitting and decoration of buildings.
The answer choices are not there, but if this is the edge2020 question, i’m going to say it is spiral brushes. please mark brainliest only if it helped!
