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How the St. Louis Arch Stands Against All Odds
science.howstuffworks.com/engineering/architecture/st-louis-arch.htm
The St. Louis Arch was so spectacularly designed that, when construction kicked off in 1961, many predicted an epic failure.
Pearl Harbor Attack: What Led to It and What Was the Aftermath?
history.howstuffworks.com/world-war-ii/japan-bombs-pearl-harbor.htm
Japan's bombing of Pearl Harbor was the major event that caused the United States to enter World War II. Learn about the attack only at HowStuffWorks.