In a historical essay, how are body paragraphs different from the conclusion paragraph. a. each body paragraph should cite a single source, but the conclusion paragraph should cite all the sources. b. each body paragraph should emphasize the authors opinions, but the conclusion paragraph should rely on facts alone. c. each body paragraph should focus on an individual topic, but the conclusion paragraph reviews all the evidence from the body paragraphs. d. each body paragraph should restate the thesis, but the conclusion paragraph should focus on grabbing the readers attention.