In the mid-nineteenth century, a major pull factor in US interregional migration was Othe building of the Erie Canal. Othe cold climate in the East. O the Gold Rush in the West. Othe expansion of the railroads. O the overcrowding in the East.

Which of the following describes a difference between an essay's body paragraph and its conclusion? o a. body paragraphs first introduce evidence, while a conclusion simply reminds readers of evidence. b. body paragraphs act as hooks for the reader, while the conclusion simply restates the essay's claim. c. body paragraphs can be any length, while the conclusion has a set number of sentences. d. body paragraphs restate the essay's claim, while the conclusion proposes claims for future essays.