Answer:
It had huge columns and round, Roman arches.
It had thick walls and few windows. It often resembled a castle.
Step-by-step explanation:
Between 800 and 1100 churches were built in the Romanesque style . The churches had round arches and a heavy roof held up by thick walls and pillars . The most famous cathedrals built in this style are Canterbury Cathedral, The Lisbon Cathedral, Durham Cathedral, etc. This churches were built in the cities, and were the center of medieval city.