. >> at 8:00, georgetown theersity professor on goals of emancipation during the civil war. >> the idea have the authority to emancipate slaves as a military measure predates the civil war, it's not a new idea. as articulated by john quincy adams on number of occasions. eastern, at 6:45 p.m. a history professor talked about the first u.s. congress is 1790 debate on slavery and race. >> in a series of petitions that generated this heated debate antislavery activist and especially the pennsylvania abolitionists society put forth the vision of the new nation and imagined a racially inclusive republic where the basic rights of enslaved africans were respected. presidency,he history professor and author charles roser on letters exchanged between abraham lincoln and his friend. >> to talk about their everlasting love for each other was normal and encouraged to be expressive about intimacy and connection and even love. that's the way to see this relationship. againstas the boundary sexuality was absolutely and certainly maintained. for the complete "american history tv," schedule, go to c-span