It was to give the audience pre-existing knowledge about the play that would help with the understanding of the play and its conflicts and often it foreshadows something that is going to happen... for example the begging of Romeo and Juliet when the chorus tells us that there is a feud between the two families and how it was a tragedy of star crossed lovers.
4 the continental army captured a valuable Spanish sliver mine
Answer: Introduction: draws the readers' attention, Body paragraphs: each with only one main idea and Conclusion: the key points in a few sentences.
Explanation: When writing an essay or a paper, there are three main parts on the structure of the text. First we have the introduction which most contain the central idea of the text, and also the reasons behind the essay or investigation, this helps to draw the reader's attention. Then we have the body paragraph, each one of them should develop just one main idea. And finally we have the conclusion, which must summarize the most important points in a few sentences.
