It limits the amount of imports from other countries, such and the Dutch and Portuguese
Throughout history, the ability of practically any government to be able to provide and restore social order is absolutely critical to the success of the state. Are there options to choose from?
One of the reasons why building these towns helped develop the economy was because each one specialized in a different trade, such as woodworking, metalworking, etc., which allowed people to exchange a variety of goods and services.
To support freed slaves it’s not that it’s to manage the land sold to slave