Answer:
to help readers understand what happens next
Explanation:
Context, or background information, is important in an essay, because it provides information necessary for the reader to understand the information and arguments that will be presented during the essay. In this case, the author of the essay can present the historical context to which the essay was presented, the events that will be explained, the main theme that will be developed, among others. This will provide a basis for the reader to get situated and understand what the essay will be presenting.
