
As well as offering a framework for collective defence, and thus for coercive diplomacy, they may also serve as pacts of restraint, through which a strong power manages its weaker allies, potential adversaries seek conciliation or contracting parties pledge mutual forbearance. footnote 1 Ensuring internal order, encouraging commerce and disseminating ideology are additional alliance activities, far from exhaustive.

But this is not their only, or even primary role. M ilitary alliances, by definition, are an agreement on the use of force against a rival.
