<em>The statement that best describes an effective outline for an informative essay is </em><em>D. An effective outline organizes the content into an introduction, body, and conclusion.</em>
Explanation:
An outline for an essay refers to the essay plan. The outline is aimed at allowing the writer to have a solid structure he or she can build on, so a division between an introduction, body and conclusion would be very useful to organize the essay writing.
<h2><em>In 1789, food shortages and economic crises led to the outbreak of the French Revolution. King Louis and his queen, Mary-Antoinette, were imprisoned in August 1792, and in September the monarchy was abolished.</em></h2>