American power is magnified when it is embedded in international institutions, as leftists have lamented. It is also somewhat constrained, as conservatives have lamented. This is precisely the covenant on which American supremacy has been based. The trouble is that hard-line critics of multilateralism focussed on how that power was constrained and missed how it was magnified.
Conservative ideologues, in calling for an international order in which America would have a statelike monopoly on coercive force, somehow forgot what makes for a successful state. Stable governments rule not by direct coercion but by establishing a shared sense of allegiance. In an old formula, �domination� gives way to �hegemony��brute force gives way to the deeper power of consent. This is why the classic definition of the state speaks of legitimate force. In a constitutional order, government accepts certain checks on its authority, but the result is to deepen that authority, rather than to diminish it. Legitimacy is the ultimate �force multiplier,� in military argot. And if your aim is to maintain a global order, as opposed to rousting this or that pariah regime, you need all the force multipliers you can get.
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