The Crusades (1095–1270) brought about substantial migration and resultant spread of ideas and trade skills, particularly the building of fortifications and the metalworking for the provision of arms,...The Crusades (1095–1270) brought about substantial migration and resultant spread of ideas and trade skills, particularly the building of fortifications and the metalworking for the provision of arms, which was also applied to the fitting and decoration of buildings.
The Crusades (1095–1270) brought about substantial migration and resultant spread of ideas and trade skills, particularly the building of fortifications and the metalworking for the provision of arms,...The Crusades (1095–1270) brought about substantial migration and resultant spread of ideas and trade skills, particularly the building of fortifications and the metalworking for the provision of arms, which was also applied to the fitting and decoration of buildings.