Problem: What river does the Hoover Dam dam?
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A: colorado river

Q: Which British engineer built the Caledonian Canal and the Gotha Canal in Sweden?
A: thomas telford

Problem: The invention of what sport is credited to Dr. S. A. Naismith in Massachusetts, USA, in 1891?
Answer: basketball

Q: Which UNESCO World Heritage Site, built mainly by Abraham Derby is found in Shropshire?
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A: ironbridge gorge

Q: What is the fastest bird on land?
What is the answer?

A: ostrich

Problem: A form of government called by the Greek term 'thalassocracy' refers to a state with power in what realm?
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A:
sea