Problem: In 1450, Jack Cade led a rebellion against which King?
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A: henry vi

Problem: Which of the alkali metals, with the atomic number 19 is missing from - Lithium, Sodium, Rubidium, Caesium and Francium?
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A: potassium

Problem: Where was opera singer Maria Callas born?
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A: usa

Problem: The 'Nineteenth Amendment' to the US Constitution provided for which change, in August 1920?
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A:
votes for women