Problem: Which two tribes combined to defeat General Custer's forces at the Battle of Little Big Horn?
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A: sioux and cheyenne

Problem: What name is given to the untanned skins of sharks and rays?
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A: shagreen

Problem: May 25, 1787 saw the sitting of the Constitutional Convention. In what city did the delegates meet?
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A: philadelphia pennsylvania

Problem: Nigeria is a major (until 1934 the world's largest) producer of what commodity from the Elaeis guineensis plant, used in foods, cooking and soap products?
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A:
palm oil