On the quieter side of economy tactics look at avian +40% birth rate for soldier generation combined with halfling war spoils and +10% population. I’m sure if we spent time to optimize race and personality and threw in dwarf artisan production we might have a triad that can move the needle with authority. In this virtual kingdom we can use it with less complexity, as opportunity presents itself.
Having these micro scenarios in pocket, you can use them to pressure enemies and keep them off balance. It’s tactics like these that allow elves to rack up resources, or cause the enemy to break off chain concentration. Think about your nw zones and how you prevent your enemies from achieving efficient gains. Make everything unsure and uncomfortable along with gains of your own.