Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Catalan Romanesque Churches of the Vall de Boí' has mentioned 'Trade' in the following places:
Occurrence Sentence Text Source
The domed churches of Constantinople and Eastern Europe were to greatly affect the architecture of certain towns, particularly through trade and through the Crusades.
The Crusades, 1095xe2x80x931270, brought about a very large movement of people and, with them, ideas and trade skills, particularly those involved in the building of fortifications and the metal working needed for the provision of arms, which was also applied to the fitting and decoration of buildings.
In Germany, the Holy Roman Emperors built a number of residences, fortified, but essentially palaces rather than castles, at strategic points and on trade routes.
On each of the routes abbeys such as those at Moissac, Toulouse, Roncesvalles, Conques, Limoges and Burgos catered for the flow of people and grew wealthy from the passing trade.