No matter how prosperous the Starfall Territory was, it couldn't meet all its needs on its own. Indeed, at least the Starfall region can meet its food needs without depending on any region. They even managed to export their excess harvest to other kingdom areas.
Likewise with the needs of clothing or clothing. The Starfall Territory was indeed not completely self-sufficient. They have cotton fields and silk-producing caterpillar fields, which are quite large in their territory. However, about 35 per cent of the rest is supplied from their area. At Issac's behest, Anna had purchased suitable land from the surrounding area and built a network of roads to facilitate the transportation of their raw produce for processing into finished products in the Starfall region.