Why is a strong conclusion important in an essay?

A strong conclusion is vital in an essay because it serves to summarize the key points made throughout the piece, effectively reinforcing the main argument. By revisiting the central ideas and the evidence presented, the conclusion helps readers recall the essential elements of the argument, thus ensuring that the purpose of the essay resonates. This aspect of summarization not only ties together the themes discussed but also reinforces the significance of the argument in a memorable way, leaving a lasting impression on the reader.

In contrast, introducing new arguments can confuse readers, as a conclusion should synthesize rather than expand upon the discussion. Offering additional sources and references may detract from the focus by introducing new material at a point when the essay should be wrapping up. Providing a lengthy explanation can be unnecessarily tedious, as a conclusion aims to be succinct while still impactful, striking a balance between closure and reiteration of the essay's core message.