In my US history class we are watching the film Harriet which brings up a lot of questions about slavery and the Underground Railroad. I had a couple great podcasts on the subject that remain relevant supplements to the heartbreaking story of people who fought hard for their freedom from slavery.
You can hear my conversation with Richard Bell on his book Stolen about free people who were kidnapped and sold into slavery in the United States:
Additionally I spoke to Maria Hammock about the Underground Railroad and the connection it has to Mexico:
Finally, I spoke a bit about the centrality of slavery to the establishment of the city of Havana in the Spanish Empire, here: