Final answer:
The question does not provide enough context to ascertain a specific name used by the residents of Fort Repose for the day nuclear war begins; however, the broad topic of nuclear war's impact is significant and harrowing. Historical and fictional accounts depict catastrophic global consequences that involve profound psychological and environmental effects.
Step-by-step explanation:
The residents of Fort Repose do not have a specific name referred to the day that nuclear war begins. However, the global impact and fear surrounding nuclear war can be profound as depicted in various works of fiction and historical accounts. Nuclear war has the potential to drastically alter ecosystems, lead to nuclear radiation and climate change, and could possibly cause the collapse of the biosphere, as currently known, jeopardizing human survival.
Historical instances such as the bombings of Hiroshima and Nagasaki during World War II and the subsequent surrender of Japan highlight the devastating capabilities of nuclear weapons and the long-term effects on human and environmental health. The concept of nuclear deterrence during the Cold War further intensified the fear of a possible nuclear apocalypse. Preparations for such an event, like 'A Guide for Surviving Nuclear War', were implemented by governments to inform citizens about survival strategies in the event of a nuclear attack.
The psychological impact of a nuclear war on individuals can be overwhelming. It invokes a sense of catastrophe and an understanding of its destructive nature that can last for thousands of years, as described by experiences capturing the aftermath of nuclear tragedies. Discussions around the development and use of nuclear weapons during World War II, such as the Trinity test, amplify the precariousness of this subject matter. Although Fort Repose's residents do not have a particular reference for the commencement of the nuclear war, the end of warfare, often celebrated as a victory, unfortunately also marks the extensive human cost endured.