Chapter 19：19章.pptx

For “ God, Glory, and Gold ”? Europeans Seek New Trade Routes – Main reason for exploration is to gain wealth – Contact during Crusades spurs demand for Asian goods – Muslims and Italians control trade from East to West – Other European nations want to bypass these powers ? The Spread of Christianity – The desire to spread the religion motivates Europeans to explore – Portuguese explorer Bartolomeu Dias wants to serve God and king ? Crusades ? Demand for luxury items ? Break Italian & Muslim monopoly ? Find alternate routes to Asia ? Feudalism over — adventure ? Curiosity about the world (Renaissance) ? Spread Christianity ic compass Sextant Astrolabe Quadrant Stern Rudder Better ships Better Maps Technology Makes Exploration Possible ? In 1400s the caravel makes it possible to sail against wind Technology Makes Exploration Possible ? Astrolabe makes navigation easier ? Used to determine altitude of stars ? pass improves tracking of direction ? The astrolabe was eventually replaced by the sextant. 89 Another nice innovation was pass from China. ? First Chinese mention of something like a compass is about 70 AD. First mention of one used for navigation is 1119. 10 New triangular sails were another big deal. They allowed ships to travel against the wind by tacking (zig- zagging).