<span>A) members of congress can mail letters and other materials for free</span>
Answer: The answer is C. Encouraged racial unrest
Explanation: The Second Great Awakening was a U.S. religious revival that began in the late eighteenth century and lasted until the middle of the nineteenth century. While it occurred in all parts of the United States, it was especially strong in the Northeast and the Midwest.
Do you have any answer choices so I can help you out