Portuguese discovery of the sea route to India working on the Cape Route to India was charted by Portuguese King John II as a cost saving measure in the trade with Asia and also an attempt to monopolize the spice trade. Adding to the increasingly influential Portuguese maritime presence, John II craved for trade routes and for the expansion of the kingdom of Portugal which had already been transformed into an Empire. However, the project was not realized during his reign. It as his successor, King Manuel I, who designated Vasco da Gama for this expedition, while maintaining the original plan. However, this development was not viewed well
Cantino planisphere was probably visited by an English expedition in 1497-98, and again, by the Portuguese explorer Gaspar Corte-Real in 1500 and 1501. The map makes clear that the land was discovered and charted for Portugal by Gaspar Corte-Real, for King Manuel I of Portugal. The North American section of the Cantino map is historically very important. It represents one of the very first mappings of America's East Coast, and includes descriptive place names. It may map both coasts of Florida, and 11 years before Ponce de León got credit for discovering Florida in 1513. Other suggestions include the possibility it reflects