What were some of the obstacles Juan Ponce de Leon faced?

What happened in history today 15th of June? Which of these artists played in significant role in elevating printmaking to an independent art form A. Albrecth Durer B. William Hogarth C. Albect Altdorfer? What invention of Benjamin Franklin helped measure distance? How could the Chinese have solved the problem of the Huang River flooding? What group supported the loyalist? Where was gridiron or American football invented? What civil war battle included the most future presidents? What is the history on Express the clothing store? Is Pancho Villa single? What was the problems that christopher Columbus faced and then solved? In Irish folk law who are the little people? What did Washington do in his first military command during the french and Indian war? What reforms did mexico make in the 1980s? Who had individuals had the strongest influence on Qin Shi Huangdi's rule? Who was young Virginia surveyor who led militia in french and Indian war he later was commander of the American forces during the revolutionary war? What defined relations between europeans and amerindians in the Americas after 1500? Where did John C Fremont live? How did Shays Rebellion show the weakness of American government? When did Mussolini stop ruling Italy? What is the origin of the surname 'Delgadillo'?