Answer: The fact that is surrounded by water on three sides. This made it so that attacking armies only had one land front to advance their armies on.
<em>They wanted the people to have a say in what happened.</em>
<em>(Hey Jay I saw u had an unanswered question so I just made a guess for you, srry if it's too late).</em>
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Eli Whitney used them to assemble muskets in the 19th century, it’s allowed unskilled workers to produce large numbers of weapons quick and at a lower cost and made repair and replacement of parts cheaper and more efficient
One way in which <span>the division of the Roman Empire made it easy for people to invade it was that power was "scattered" and there was a security vacuum in many areas of the empire that was easily filled by organized invaders. </span>