Lorna Lippes April 29, 2022 History and Politics Borderline Histories: Lorna Lippes April 29, 2022 History and Politics Session 1 - The Border as a Military Frontier, 1750s-1870s Session 2- The Vanishing Border, 1870s-1960s Session 3 - The (Paradoxically) Resurgent Border, 1970s-2020s