 Completed in 1654, the fort was expanded in the 18th Century, and included underground corridors and galleries.The 18th century began poorly for the city economically, as the Bourbon dynasty discontinued the "Carrera de Indias" convoys.However, with the establishment of the Viceroyalty of New Granada and the colonial struggle with England, Cartagena took on the stronghold as the "gateway to the Indies of Peru".