Correct. The answer is a. To demonstrate how economic transformations in the 1820s and 1830s reshaped American politics, the author shows how improved printing technology fueled the growth of newspapers, which changed campaigns by taking partisan positions, defining issues, and publicizing political personalities.
Incorrect. The answer is a. To demonstrate how economic transformations in the 1820s and 1830s reshaped American politics, the author shows how improved printing technology fueled the growth of newspapers, which changed campaigns by taking partisan positions, defining issues, and publicizing political personalities.