In colonial genocidal wars, the goal is extermination. Food sources are targeted - both stored food and crops. Masses of people are killed indiscriminately including women, children, noncombatants. Survivors of massacres are driven into unlivable areas to die and ringed with enough firepower to kill them if they try to escape. Many of the US “Indian Wars” followed this pattern (see Stannard’s American Holocaust and Grenier’s The First Way of War) as did the German genocides of the Herero in 1905 and the Nama in 1908, reported in, e.g., The Kaiser’s Holocaust.

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