What changed between the castles in the middle ages and the ones in renaissance?

Castles evolved as time went on for several reasons. Warfare changed and gun powder was introduced. Gunpowder probably resulted in the largest change because the original castles were wooden and they changed to stone.

Yet, the stone "outer look" of the castle wasn't as always as solid as it looked. Many times it was a faux wall of stone with rubble between two walls. Castles also go bigger and became status symbols It was "my castle is bigger than yours" thinking.As time went on war also changed and the taking of a castle became less and less common instead there were great battles that took places resulting in huge losses of men.

By the time of the Renaissance the castle was less defensive and more status. The ones we see today that are still in use have been changed and look less like what they did even in the Renaissance. During the 1700-1900's they were added too, decorated on the outside, leaded windows added, and romantic influences included.

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