MAPPING THE PASTMAP 14.2 Overseas Exploration and Conquest in the Fifteenth and Sixteenth Centuries The voyages of discovery marked a dramatic new phase in the centuries-old migrations of European peoples. This world map depicts the voyages of the most significant European explorers of this period, while the inset map shows Spanish and Portuguese colonies of the eighteenth century.ANALYZING THE MAP Consider the routes and dates of the voyages shown. How might the successes of the earlier voyages have contributed to the later expeditions? Which voyage had the most impact, and why?CONNECTIONS How would you compare Spanish and Portuguese New World holdings in the sixteenth century with those of the eighteenth century? How would you explain the differences and continuities over time?