Construction and Commodity
Building

At present, there are 20+ types of buildings. In addition to sanitary buildings, each building will increase the sanitation punishment of the land, and some will be less. When health is negative, there is a great chance that the disease will break out in the territory. The cemetery can have a chance to prevent the disease cycle from prolonging when the disease breaks out.
The territorial population will also be converted according to the environment of the territory. Apart from serfs, free farmers, no land farmers, citizens can move to neighboring territories for settlement. Landless farmers have a chance to starve or transfer to other territories, and they will decide to move to neighboring territories depending on whether the enclosure has disease or vacant land. Free farmers and citizens will decide to move to neighboring territories according to the order of the territory, health, and disease. Free farmers have a certain chance to be converted into citizens.
Commodity


Each item has its own price, and the price will be adjusted according to the ratio of demand and output of the whole map. The simpler the demand is, the higher the price, the lower the demand, the lower the price, but the price is not up. Go up or down. There will be a change every six months, and there is an upper limit for each change price. There is also a limit on the highest and lowest prices of the same item.
There is a demand relationship between different items, and some have a demand relationship with the relevant population. If the output of the item is insufficient, the purchase will be based on the current price, which will result in lower income tax in the current year. Products with surplus will be sold. If the player opens the trade tax, then an additional trade tax will be charged in October each year, which will be directly combined with the tax.
Surplus goods will also bring certain benefits to the local, increase order, increase population rate, reduce building damage, increase believers, etc., and vice versa.
From Google Translate.