Dear these are the same things which we have been learning from nursery n prep. Answer should be neat, to the point. if time allows make good diagrams n labelled wherever needed. And also draw maps n locations if anywhere needed and time allows. Using heading, bullets to increase bullets. clearly illustrate strong points of your answer by making that writing prominent in anyway by bullets or writing a bit larger. Make you answer easy to be assessed by the examiner.

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"The only necessary thing for the triumph of evil is for good men to do nothing."
--Edmund Burke (1729-1797)