Which of the following statements best summarizes the significance of the Space Needle and the Gateway Arch?

A. The Space Needle and the Gateway Arch symbolize the spirit of innovation and progress in their respective cities.
B. The Space Needle and the Gateway Arch were constructed to celebrate the nation's achievements in space exploration.
C. Both structures were built during the early 20th century to commemorate significant events in American history.
D. The Space Needle and the Gateway Arch were designed as symbols of the United States' victory in World War II.

The Gateway Arch in St. Louis and The Space Needle in Seattle are significant landmarks that symbolize the spirit of innovation and progress in their respective cities.

Designed by Eero Saarinen, the Gateway Arch commemorates the westward expansion of the United States, standing as a monumental testament to American history and achievement.

On the other hand, the Space Needle represents futuristic design and technological advancement, serving as an iconic symbol of Seattle's forward-thinking approach.

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