By September 1900, the British are nominally…

By September 1900, the British are nominally in control of both Republics, with the exception of the northern part of Transvaal.

However, they soon discover that they only control the territory their columns physically occupy.

Despite the loss of their two capital cities and half of their army, the Boer commanders adopt guerrilla warfare tactics, primarily conducting raids against railways, resource and supply targets, all aimed at disrupting the operational capacity of the British Army.

They avoid pitched battles and casualties are light.