U.S. History (OpenStax): Chapter 7Corbett, P.S., Janssen, V., Lund, J.M., Pfannestiel, T., Waskiewicz, S., & Vickery, P. (2014). U.S. history. Open Stax. https://openstax.org/details/books/us-history
Read a conservative and liberal perspective on the question of the Constitution and slavery:
What the Constitution Really Says About Race and SlaveryAzerrad, D. (2015). What the constitution really says about race and slavery. Heritage. https://www.heritage.org/the-constitution/commentary/what-the-constitution-really-says-about-race-and-slavery
Some of the key lines here are, "Because the Constitution does not explicitly recognize slavery and does not, therefore, admit that slaves were property, all the protections it affords to persons could be applied to slaves" (Azerrad, 2015).
U.S. History (OpenStax): Chapter 8Corbett, P.S., Janssen, V., Lund, J.M., Pfannestiel, T., Waskiewicz, S., & Vickery, P. (2014). U.S. history. Open Stax. https://openstax.org/details/books/us-history
The Louisiana Purchase Was Driven by a Slave RebellionBlakemore, E. (2018). The louisiana purchase was driven by a slave rebellion. Histroy. https://www.history.com/news/louisiana-purchase-price-french-colonial-slave-rebellion#:~:text=The%20Louisiana%20Purchase%20Was%20Driven,expanding%20slavery%20in%20the%20U.S.&text=Archive%2FGetty%20Images-,Napoleon%20was%20eager%20to%20sell%E2%80%94but%20the%20purchase%20would%20end,Children%20in%20pens