Choose the appropriate code of Assertion A and Reason R as given below :Assertion A : Collective security arrangements attempt to safeguard the collective interest of all states.Reason R : The collective security implies a willingness of all states to oppose any state committing aggression.Codes :

• A. A is true but R is not true.
• B. Both A and R are true.
• C. Both A and R are not true.
• D. A is true but R is not related to A