Answer: C. To appeal to the former slaves in the audience
Step-by-step explanation:
Susan Anthony was convicted of wrongfully voting in 1872. By this time, slavery had been abolished in the United States as a result of the Union defeating the Confederacy and then passing the 13th Amendment.
Susan Anthony could not therefore be trying to appeal to those against slavery because there was no slavery. She must have been appealing to the former enslaved people in the audience who were still being mistreated simply because they were black.