The Gateway Arch: Jefferson National Expansion

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The Gateway Arch The Gateway Arch, also known as the St. Louis Arch, is an internationally ­famous technological marvel. It is located in St. Louis, Missouri. The arch was constructed in St. Louis because of its role in the westward expansion in the nineteenth century. The reason they chose the arch shape was because how stable and secure it was. The arch is a memorial to Thomas Jefferson for his role in opening the west, to the pioneers who helped Jefferson shape history, and to Dred Scott who sued for his freedom in the old courthouse. The arch is an important part of the Jefferson National Expansion Memorial where it is located. Since the arch is 630 feet tall, 630 feet wide, and weighs 17,246 tons, it was very difficult
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