President Johnson accused the North Vietnamese of attacking a US Naval Vessel in the Gulf of Tonkin.
History has shown this to have probably been fabricated.
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.
I think the answer is the first one
The three most prominent factors that contribute to Africa's lack of economic and human development are corrupt governments, a lack of material resources, and tribal warfare. All of these are somewhat intertwined. <span />