This intermediate division as it develops makes the transfer more efficient and able to fulfill their function better, but at the same time makes the parts more dependent. A regulating system also develops in society. This seems to be essential to society. Those societies that don't have subordination to this system disappear. In industrial society there is an added decentralized regulation from industrialization.
Cooperation is an essential part of society.
Society cannot exists without cooperation and cooperation with our society. People come together and cooperate together in order to reach common goals and ends. Cooperation implies social organization, and there are two types of social organization in this area. Spontaneous cooperation, which is the consequence of people pursuing their private ends. Market transactions seem to be what Spencer is talking about.