Problem: Lee Harvey Oswald shot John F Kennedy, but who shot him?
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A: jack ruby

Problem: Completed in 1973 and made into a World Heritage site in 2007, which building was designed by Jorn Utzon on Bennelong Point?
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A: sydney opera house

Problem: Who was the magistrate in Athens who codified its laws around 600 BC?
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A: draco

Problem: "What was the cause of the sinking of the ""Lusitania"" in May 1915 and the subsequent deaths of 1,198 people?"
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A:
she was torpedoed