Answer:
Galveston built a massive seawall to turn back storm-generated waves.
Explanation:
He used a notebook to conduct conversations with friends, family and colleagues. That's all I know. I hope it helps!
Knowing the terrain gave the Americans an advantage because they were familiar with it and knew their way around. Here are some links for additional information:
https://historyofmassachusetts.org/how-did-geography-influence-boston-battles/
https://www.khanacademy.org/humanities/ap-us-history/period-3/apush-the-american-revolution/a/apush-the-american-revolution-lesson-overview
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