The Crusades brought Europeans into contact with new cultures and new goods, such as silk, spices, and sugar. This exposure to new goods and cultures stimulated a demand for these items in Europe. In addition, the Crusades led to the development of new trade routes between Europe and the East. These trade routes allowed European merchants to bypass the Muslim-controlled Middle East and trade directly with Asia.
The Crusades also led to the development of new technologies, such as the compass and the astrolabe. These technologies made it possible for European sailors to navigate more accurately and to travel longer distances. This allowed Europeans to explore new parts of the world, such as the Americas and Africa.
In conclusion, the Crusades were a major factor that stimulated European interest in trade and discovery. The Crusades brought Europeans into contact with new cultures and new goods, led to the development of new trade routes and new technologies, and made it possible for Europeans to explore new parts of the world.