Board Thread:Lore/@comment-25931200-20150501141636/@comment-26116279-20150501151809

Well, sauron was building up his armies for a while, most likely he gathered up a lot of caravans at Minas morgul and brought enough food with his army to last them for long enough to allow the next caravan to arrive. And the haradrim that came at the end of the battle probably had supplies with them.