Suppose saudi arabia is worried that its regional rival, iran, is building a new weapon that would be capable of wiping out their country. they attack iran before the weapon can be completed, thus stopping a future attack before it can happen. this is an example of what?

This is an example of self defense policy.

Explanation:

Self defense policy is the policy that is taken to take care of the self. In case there is a threat, then to remove the threat, the policy of self defense can be used.

In this example also, since Saudi Arabia has a threat that it's rival will attack it and can cause huge damage to the country, it as a result of this takes up a measure for it's self defense. As a result of this it attacked Iran and tried to remove the threat.

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.