Also, as a tactic for defending sieges with minimal losses:
- place your spearmen in front of gates ( Gondor Militia will do if you don't have spearmen )
- place a Gondor Militia/Gondor Infantry on the wall for every ladder or siege tower they have.
- place a unit of archers on the street in front of the gate, far enough for them to be able to shoot above the spearmen and through the gate
- place some archers on the wall
When the gates are breached -
- get the archers on the walls down and begin firing in the mob that has formed at the gates
- tell the archers on the street to fire through the gate ( but make sure they dont't fire into your spearmen's back. If they do, target them at something farther away )
Opitional - if you have a cavalry unit, take it out the right or left gate in the beggining of the battle. When all the enemy army is bulked up at the gate charge them in the back.
This is especially effective when faced against a big army ( 4000+ soldiers), you'll find that you defeated their army with less than 400 ( that's 10 of their soldiers down for every dead soldier of yours! ) losses
