 Alderson found Hughes a difficult man to deal with as the defence minister insisted on involving himself in matters that were normally the concern of a defence minister and because the Canadian nationalist Hughes insisted on equipping the Canadian Expeditionary Force with Canadian-made equipment as much as possible, regardless of whether it was practical or not.After Canadian participation in the Second Boer War, the need for domestic supporting organizations was made evident.Canada in short order formed its own Engineer Corps, Permanent Active Militia Army Medical Corps, Canadian Army Veterinary Corps, Signalling Corps, Ordnance Stores Corps and Canadian Army Service Corps.