Cooperation. — The keynote of the life of the
eighteenth and nineteenth centuries was compe-
tition. Business firms competed strenuously
with one another for trade and laboring men
competed with one another for jobs. Markets
were established on a competitive basis and
prices were regulated by demand and supply.
During the past thirty years great changes
have taken place in the industrial and com-
mercial world. The keynote of the twentieth
century is cooperation. Industry has become
concentrated as never before. Men engaged in

[11]



MODERN CITIES

the same lines of business are no longer com-
petitors, but associates, or fellow-workers.
