Think PEEL for a clear structure!
Point - State the main argument of your paragraph in the first sentence of your paragraph.
Evidence - Provide some evidence that this is true - a fact or statistic.
Explain - Analyse how this piece of evidence is relevant to the argument to previously made, why and how it demonstrates that your argument is true.
Link - Link the argument of the paragraph back to the main title of the essay, show why this mini-argument you have made is relevant to the overall question.