How does he control an entire army in this form? Does he mind control the orcs? Is there a room in the tower where he speaks to the Mouth of Sauron directly? Are there sub commanders? What system designates the chain of command in Mordor? Does Sauron anoint the orcs he likes with evil power?

How did he get all the elephant people to come and fight for him? Did he pay them with Mordor money? Do his mind control powers reach hundreds of miles? Why couldn’t he use his mind control powers to defeat Gondor?

What do they eat in Mordor anyway? There are no fields, no infrastructure, no water sources.