Which theory states that peace results when several states use national power and alliances to stabilize one another, blocking would-be expansionists?

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The balance-of-power theory states that peace results when several states use national power and alliances to stabilize one another, blocking would-be expansionists. This theory suggests that a balance of power can prevent any one state from becoming too dominant and threatening the peace and stability of the international system.

Which Theory States That Peace Results When Several States Use