The greatest accomplishment of the abolitionists by 1840 was that they had managed to bring the issue of slavery into the public consciousness. Consequently, the issue gained tract as a prominent topic of conversation and brought into light the injustices of the institution.
Islam was the <span>religion that was centered on the prophet Muhammed, and his interpretation of God's laws.</span>
The French and Indian War (1754-1763) in North America and the Seven Years' War (1756-1763) in Europe were the first two early attempts at unity by the American colonies.
During the French and Indian War, where the British and the American colonists fought the French and their Indian allies, unity was considered to be mandatory because a French victory in the New World would result in a loss of British superiority. Also, In the Seven Years' War, France and Austria put aside their differences and united against Britain, urging most of the other European powers to their side.
The answer is C: emotional appeal. This quote enpowers unity and a sense of duty among his listeners.
Hope this helps ^-^