Portugal Leads the Way of Exploration • Portuguese merchants were the first to establish sea trade with Asia • Prince Henry was a huge supporter of exploration • He would sponsored voyages of exploration • Prince Henry would be known as “the Navigator” Salt of Portugal New Technology • Portuguese shipbuilders perfected the caravel • Ship design for long voyages • European ships used square sails (More Power) • Arabian ships used triangular sails (Quicker on Turns) Portuguese Use Tools from Other Cultures • Borrowed the idea of the compass • Astrolabe (invented by the Greeks) • Measures the angle of the stars above the horizon • Help sailors find their ship’s latitude Reaching India • By Prince Henry’s death, Portugal had set up trading posts in West Africa • 1488 Bartolomeu Dias rounded Africa’s southern tip • Vasco da Gama extended Dias route to India • Set up trade post in India • Portuguese moved to Indonesia Questions • What instruments were used to aid Portuguese exploration? • Answer: Caravel, Compass, and astrolabe • How did Portugal find an ocean route to Asia? • Answer: Dias rounded the tip of Africa; da Gama extended Dias route all the way to India