In the past generation, professional historians have to come to near universal agreement that slavery caused the Civil War. However, scholars still debate exactly how the institution divided the nation. In this presentation, Oasis regular Professor Denver Brunsman of George Washington University will discuss how the combination of western expansion and political dysfunction exacerbated the issue of slavery. This topic has recently gained new attention as commentators have explored the potential of political polarization in our own time resulting in another civil war.