Feudal lords acquired territory and made their fortune from products on their properties, because of this, trade circumstances, diplomacy, and a variety of problems related to public assistance for residents in the territory (people of the domain) were improved.
領主は領地を得て、其処からの産品で財を成したが、この中には交易の整備や外交、また領内の住民（領民）に対する生活保護に絡んだ様々な問題解決が仕事となった。