155 mm Creusot Long Tom part of the war the time fuses did not work properly. Case shot was used as a last resort when the enemy's foot soldiers were close to the gun. Case shot was effective up to 400 metres. During the Second Boer War the guns were deployed as field guns and siege guns at Vaal Krantz, Ladysmith, Mafeking, Kimberley and Bergendal. During the early stages of the war these guns gave the Boers an advantage as they had longer range than any British guns that were deployed in South Africa at the time. After all their ammunition had been expended, the
Union of South Africa military failures. The British were overconfident and underprepared. Prime Minister Salisbury and his top officials, especially colonial secretary Joseph Chamberlain, ignored the repeated warnings of military advisors that the Boers were well prepared, well armed, and fighting for their homes in a very difficult terrain. The Boers struck first, besieging Ladysmith, Kimberly, and Mafeking in early 1900, and winning important battles at Colenso, Magersfontein and Stormberg. Staggered, the British fought back, relieved its besieged cities, and prepared to invade first the Orange Free State, and then Transvaal in late 1900. The Boers refused to surrender or negotiate, and reverted to