This is an example of <u>self defense policy</u>.
<u>Explanation:</u>
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.
It is <span>A : Northern and southern
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The answer is C. Schizophrenia
The disaster at Chernobyl was a nuclear accident in Ukraine in 1986.