 However, the 1890 British Ultimatum and the loss of the confidence brought on by chief Dunduna would drive him into despair.Paiva Couceiro arrived in the area of Teixeira da Silva around January 1890, with a contingent of 40 Mozambican soldiers, armed with Snider-Enfield breech-loading rifles, which worried the chief of Bié.Fearing that the Portuguese were there to construct a fort and occupy his lands, the chief was convinced by Silva Porto that the troops were only passing through the area on the way to Barotseland, and that they would not remain there for long.