The town became the  principal burgh  of the kingdom during the reign of James III (1460?͠1488), and in the following years it blossomed.
James III contributed immensely to the prosperity of the town.
mnli hypothesis: James III contributed immensely to the prosperity of the town. premise: The town became the  principal burgh  of the kingdom during the reign of James III (1460?͠1488), and in the following years it blossomed.