Answer: The correct answer is : d.only after Spain and Portugal agreed to move the Line of Demarcation 700 miles farther east of the Azores.
Explanation: In 1494 through the Treaty of Tordesillas, Spain and Portugal agreed to divide the lands of the Western Hemisphere between them and ran the demarcation line to the west. Then Vasco de Gama looked for a route all the water to Asia to transport spices and fine silks and was the first explorer who found a route to Asia only maritime and returned to Portugal with a boat full of spices.
