To change soldiers into archers... Get a bow producer and make however many bows you want Then invade an area.......gives you choice of how many guys to send, choose your amount Then switch weapons and select the bow amount
What does NaN mean? It shows up under unemployed workers, and I can never build in the city, because all my workers leave. No matter how much food or money I move into the city, with NaN, it just "uses" up all my food to 0, and sells my building