 Not only were they unused to the terrain, the need to feed a large body of foreign soldiers presented severe logistical problems, as troops in the interior had to be supplied over long distances without rail or road lines of communication.To deliver one kilogram of rice to the interior it could take 50 kilograms of rice at the coast—most of it being consumed en route to feed all the porters needed to carry it inland.The British Administration formed a military labour organisation, the Carrier Corps, which ultimately recruited or conscripted over 400,000 African men for porterage and other support tasks.