Complex sentence: British units forced the "Schutztruppe" further south and on 23 November, Lettow-Vorbeck crossed into Portuguese Mozambique to plunder supplies from Portuguese garrisons and Germans marched through Mozambique in caravans of troops, carriers, wives and children for nine months.
Split into simpler sentences: British units forced the "Schutztruppe" further south and on 23 November, Lettow-Vorbeck crossed into Portuguese Mozambique to plunder supplies from Portuguese garrisons. The Germans marched through Mozambique in caravans of troops, carriers, wives and children for nine months.