- Explain how and why the dominant understandings of migration and nationhood in Argentina over a 150-year period, fostered the construction of Argentina as a white nation of European descendants. This national project envisioned the creation of a “European enclaveâ€; a nation without Blacks and Amerindians. In Order to do this essay READ: Migration, Race and Nationhood in Argentina, Tanja Bastia and Matthias vom Hau