US and NATO need to engage much more directly with the Black sea region. Politics & Security, [S. l.], v. 6, n. 2, p. 39–42, 2022. DOI: 10.5281/zenodo.6823997. Disponível em: https://politics-security.net/index.php/ojsdata/article/view/181. Acesso em: 8 nov. 2025.