The crossword solution for the term 'Nostalgic Division' is ERA, which stands for 'Epoch Reflection and Analysis'. ERA is a term used to describe the process of reflecting on past events and analyzing them in order to gain insight into the present. It is often used to help people understand their current situation and make decisions about their future. ERA can also be used to help people remember and appreciate the past, which is why it is associated with nostalgia.