>>2760407I know I have a reputation of open contempt for everyone here but I'm genuinely happy to answer this. I wrote my thesis on nations and national self-determination, and much of my work on the street is around putting Stalin's ideas into practice.
I think it's easy to overthink "psychological make-up" as more than it is. Essentially what he means is the shared social attitudes emerging from a shared social relation to wider society. This manifests over time in common cultural practices and rituals. In my family's home nation of Haiti this was expressed in the formation of Vodou religious practices, common cuisine (pikliz, soup joumou, etc.), and other shared cultural practices which became binding forces leading up to the revolution, especially among the enslaved and Maroon majority (and mulattoes to a lesser extent). This
does not mean everyone thinks the same. Rather, it means that disparate people bound together and facing the same or similar conditions and social relations (be they oppressive or not) will begin to form a common outlook to the world around them. A Black person in the US
generally perceives white supremacy very differently from whites
in general, and Black communities have distinct cultural practices from white communities, because these national groups don't share the same relations to the state and its economy historically or presently.
We see this process in the formation of every nation, though as Stalin notes the existence of a common culture does not itself denote the existence of a nation. For instance trans people in the US have distinct cultural practices and outlooks from cis people due to a long history of oppression, but they aren't a nation. It's all the things Stalin listed, together, which denotes a nation. The Haitian nation was historically constituted through the process of enslavement, Maroon resistance, and finally a decade-long revolution with all class strata taking part. It remains a stable community of people, though now with a sizeable diaspora as well. They share a common language in Kreyol, a common homeland — the island of Haiti, share an economic life in that Haitians comprise all class strata (there are bourgeois, proletarian, and peasant Haitians who economically interact consistently), and as we just outlined share a common culture. Thus Haiti is a nation like New Afrika, Ethiopia, Vietnam, or Cuba are nations.
Please let me know if there's anything that needs further clarifying.