The figure from the video that was pro-slavery is:
B. John C. Calhoun.
1B. Find one piece of evidence from the video that supports your answer.
Evidence from the video: John C. Calhoun was known for his strong defense of slavery as a positive good and argued that it was essential for the economy and social order of the South.
1C. In your own words, explain how the evidence you found in the video supports your answer.
This evidence supports the answer because it highlights Calhoun's vocal stance on slavery, indicating that he not only supported it but believed it was beneficial for society. His arguments and writings reinforced the notion that slavery was a necessary institution, thus firmly placing him in the pro-slavery camp.