Part 1 of Essay
In 1494 the armies of the French king, Charles VIII, invaded Italy to capture the kingdom of Naples. They swept through the country and bombarded and destroyed many castles. This invasion signaled the end of the castle as a stronghold of defense. For centuries it had been the dominant fortification in Western Europe for th ....

Part 2 of Essay
.... this castle building was confined to the Byzantine Empire, but later hordes of Islamic warriors who swept out of Arabia to conquer the Middle East, North Africa, and much Byzantine territory also started building such forts. Western Europe, in the depths of the Dark Ages from the 5th through the 9th century, had no such works. But late in the 9th century, as local lords and kings began to consolidate power, castle building began probably in France. Once begun, castle building spread rapidly to other areas. ....