How to Increase March Size and March Slots in Evony The Return of the King - Pillar Of Gaming
How to Increase the Size of March and the Number of March Slots in Evony The Return of the King
How do you unlock more building slots? : r/hoi4
Basically, you increase your building slots by adding yourself the spirit (which is doing the job) from the decisions tab.
State of Survival - How To Increase March Capacity & Slots - Gamer Empire
Guide on how to increase march capacity and number of march slots in State of Survival. Marching is important to progress in the game.