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Question
read the passage.
during the middle ages, the period of european history lasting from roughly 1100 to 1453, castles were royal fortresses designed to withstand attacks and protect the residents sheltered within their walls. one of the simplest defense mechanisms of the medieval castle was the moat. this water - filled pit around the castle’s perimeter had an average width of twelve feet and an average depth of thirty feet. moats were particularly effective at halting siege tower attacks and escalades. in a siege tower attack, invaders would push tall, mobile platforms against a castle wall to scale the defenses; in an escalade, attackers would use ladders for the same purpose. the moat’s dimensions provided a buffer against these methods: towers sank or got stuck in the water, and ladders were unbalanced at such extreme angles. though a mainstay of medieval defense, moats were later rendered largely impractical against artillery.
based on the passage, what was the key advantage of the moat’s width and depth?
the moat’s dimensions reduced the accuracy of attacks from long - range weaponry.
the moat’s dimensions prevented invaders from using tall platforms and ladders to reach defensive walls.
To find the key advantage of the moat's width and depth, we analyze the passage. The passage states that in siege tower attacks, invaders push tall platforms against the wall, and in escalades, attackers use ladders. The moat's dimensions (width of twelve feet, depth of thirty feet) caused towers to sink or get stuck and ladders to be unbalanced. The first option is incorrect as the passage says moats were rendered impractical against artillery (long - range weaponry) later, not that they reduced accuracy of long - range attacks. The second option matches the description of how the moat's dimensions prevented invaders from using tall platforms (siege towers) and ladders (escalades) to reach the defensive walls.
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The moat’s dimensions prevented invaders from using tall platforms and ladders to reach defensive walls.