Barrack

The Barracks creates troops so you can attack another Fort. The troops it produces does not cost anything. The Barracks Costs 150 Power.

Now, Barracks are required for creating Soldiers, and Soldiers are now controllable by the player.

to control them, highlight all the troops and left click to make them go that direction.

Using Them
If one side has a good defense, use tanks with cannons, and Faster soldiers. This will resuce the time of soldiers getting destroyed when you try to attack.

Trivia
Recently, buying Barracks loses spawn protection. Now moving a solder looses spawn protection.