Japan Speech How were Japanese castles made and destroyed? Japanese castles are strongholds that are usually made from wood and stone. The castles were once all wood in past years but were at their peak of creation in the 16th century. The evolution of the castle was almost the same as English equivalent. They both were used for defence,centre of government,strategic control and homes for feudal lords. Thought Japanese castles were used more for beauty than defence. The defences it did had were moats to slow down attackers,walls to block projectiles and spikes on the windows to stop ninjas from sneaking in. Sometimes the castles had natural defences such as mountains and rivers. Some strongholds still remain because the castles that were