Maritime Expansion & Pre-Columbian Civilizations
Causes of European Discoveries
The Europeans needed to find new commercial routes to the East because, in 1453, the Turks captured Constantinople. This disrupted trade routes between Europe and the Far East.
Technical Advances
New maps, portulans, were designed especially for navigation. They drew the lines of the maritime coast and the obstacles. These indicated the shortest distance between ports using straight lines.
Portuguese Shipments
Portuguese expeditions inched forward. First, they incorporated the Madeira and Azores islands into their territories. Then, they headed south and skirted the coast of Africa. They doubled Cape Bojador and reached the Gulf of Guinea.
In 1488, Bartolomeu Dias rounded the Cape of Good Hope.
Vasco da Gama arrived...