||edHelper's suggested reading level: ||grades 5 to 7 ||Flesch-
Kincaid grade level: ||concentric, defenders, happening,
innermost, undermine, victorious, provided, motte, vulnerable,
medieval, warrior, material, towers, design, better, newly Print
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HTML format Feedback on Concentric Castles By Sharon Fabian 1 It
was a medieval arms race. Every time castles were built bigger
or stronger, some creative medieval warrior invented a new siege
weapon to breach the castles' defenses. Soon, even stone castles
weren't good enough. 2 There was no stronger material than stone
for building castles, so castle architects looked at the design
of the castles instead. They found creative ways to make
improvements, just as armorers had when they built weapons like
catapults and trebuchets. Their new and improved castles were
called concentric castles. Some of the best concentric castles
were built under the direction of King Edward I in Wales. He had
been victorious