Which theory in international relations suggests that states may secure their survival by preventing any one state from gaining enough military power to dominate all others?

Balance of power

The correct answer is Option 3 - balance of power

Option 1- Alliance building
Option 2- Deterrence
Option 3- Balance of power (Answer)
Option 4- Balance of threat

As per the balance of power, states may secure their survival by preventing any one state from gaining enough military power to dominate all others.