inquire closely into the question whether the reversal is a change of principle or of application.
Closely connected with freedom of contract is freedom of association. If men may make any agreement with one another in their mutual interest so long as they do not injure a third party, they may apparently agree to act together permanently for any purposes of common interest on the same conditions. That is, they may form associations. Yet at bottom the powers of an association are something very different from the powers of the individuals composing it; and it is only by legal pedantry that the attempt can be made to regulate the behaviour of an association on principles derived from and suitable to the relations of individuals. An association might become so powerful as to form a state within the state, and to contend with government on no unequal terms. The history of some revolutionary societies, of some ecclesiastical organizations, even of some American trusts might be quoted to show that the danger is not imaginary. Short of this, an association may act oppressively towards others and even towards its own members, and the function