Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of Salvador de Bahia' has mentioned 'Trade' in the following places:
Occurrence Sentence Text Source
Owing to whales' use of the Bay of All Saints as a mating ground, Salvador became a large whaling port in the Southern Hemisphere during the 19th century but the trade had already begun to fall off by the 1870s.
[29][30] In the 1990s, a major municipal project cleaned and restored the neighborhood in order to develop it as the cultural center and heart of the city's tourist trade.
The settlement of Salvador de Bahia, strategically situated overlooking an immense bay on the Brazilian coast, was aimed at centralising the activities of the metropolis in Portuguese America and facilitating trade with Africa and the Far East.