Moreover, even within the samurai society, the system of dividing and distributing ownership and control of lands throughout the country, which until that point had been thought fair and natural, became problematic, and the tendency for owners to sell or exchange some of these distributed lands to concentrate their power and influence in one place became pronounced.
また、武家社会でも、それまで当たり前だった全国に分散した所領の支配が難しくなり、分散した所領を売却・交換し、一箇所にまとめた所領の一円化傾向が顕著になる。