Why did Queen Isabella hire juan ponce de leon?

What are facts about harriet Tubman and the underground railroad? How many people were there in England at the time of Henry 8th? What is the name of first microprocesser? When did the first personal computers go on sale in the world? What contributed to the fighting style of the plains indians? Was the Nuremberg Laws before the Holocaust? What are masks made of? Which treaty benefited American Indian the most? Who finished the the most games out of first place in MLB history? How much does the rock bench press? American Samoa's national bird? Why were ancient Greeks philosophers like Aristotle not successful as scientists? Is there a term limit for us presidents? Which was factor a that helped cause the French Revolution of 1848? Where is the pawtuxet tribe located? What happened to the creek Indians as a result of land lotteries in Georgia? Who becomes president of the US if the President and the Vice-President and the speaker of the House should die? What does Canadian people do in there spare time? What is the age requirement for the governor of California? Which is the only champion nation that has not won a World Cup hosted by itself?