The Portuguese increased their interest in their American colony because the sugar cane industry started.
Similar to other European nations Portugal explored and conquered some territories in the Americas. The Portuguese colony in the Americas included all the territory that is now Brazil as well as part of other territories such as part of Venezuela and Uruguay.
As settlers, the Portuguese did not have a high interest on the resources the new continent could offer. However, after 1550 their interest increased due to the establishment of the sugar cane industry. This is explained due to the following factors:
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