The man being described here is Prince Henry the Navigator. Prince Henry was a Portuguese man who helped spark the age of exploration. He is known for his several contributions to this era, including:
1) Opening of a school for navigation in Sagres, Portugal.
2) Mapping the west coast of Africa.
3) Laid the foundation for individuals like Christopher Columbus, Vasco Da Gama, and John Cabot.
Primary elections hope this helps
Answer: Britain and France, hope this helps :)