Answer: A) Give and explain counter-arguments against the arguments for each side.Note: the "counter-arguments" you are asked to give should oppose or answer the arguments on the other side as directly and convincingly as possible. They should not be simply unrelated arguments on the opposite side of the issue.
Explanation: When is talking about security is important to have different views, firstable you need to establish which are going to be your claims, premises or arguments, once you got it is important to search for information which can support your ideas, and once you have found it, counter-arguments are necessary to understand which are your weakest point, you need to know your counter-arguments and how people are likely to attack you, once you know the weak part of your speech you can defend it.