The correct statement is "He created schools for map making and ship building and sponsored voyages exploring Africa."
The schools organized by Henry the Navigator helped explorers increase their skill set before setting out on an exploration. Along with this, the information he received from the individuals he worked with allowed him to make extremely accurate maps for that time period. His success in the map making business allowed him to send explorers to sea almost yearly to continue their exploration and to provide new information for his map making purposes.