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Which South Carolina city is one of America250’s four federally named leading cities?
Answer
Charleston
What was the name of the train that carried historic artifacts across the United States for the 1976 Bicentennial?
Answer
American Freedom Train
In which city was the Centennial Exposition held for the United States’ 100th anniversary?
Answer
Philadelphia
Which federal body coordinates the United States’ America250 commemoration?
Answer
United States Semiquincentennial Commission
What bearing design is Leonardo da Vinci often credited with sketching?
Answer
Ball bearing
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What was the name of the train that carried historic artifacts across the United States for the 1976 Bicentennial?
Answer
American Freedom Train
Which federal body coordinates the United States’ America250 commemoration?
Answer
United States Semiquincentennial Commission
What bearing design is Leonardo da Vinci often credited with sketching?
Answer
Ball bearing
What weapon did Leonardo da Vinci design with three rows of barrels?
Answer
Three-barrelled cannon
What name is commonly given to Leonardo da Vinci’s mechanical knight designed around 1495?
Answer
Leonardo’s robot
Which Leonardo da Vinci design used a helical screw to suggest a helicopter?
Answer
Aerial screw
What wheeled machine did Leonardo da Vinci design as an early self-propelled cart?
Answer
Self-propelled cart