Fill in the Blanks PrehistoryOnline version You must discern about, the first clue: If you know the answer, you can know where the thieves were before to this period of History. The second clue: You can discern what period of History you must find in your school. Good luck! by Laura Lara 1 man Age world human Prehistory Modern lived FIRST CLUE : The that find a new continent at the western of the happened in the . SECOND CLUE : The first of History in caves . It was in the .