National unity depended on cohesion among all urban forces
Evidence
In practical terms, therefore, the question posed itself in the existence of a strong centre of political leadership, with which strong and popular personalities from the South and the islands would necessarily have had to collaborate. The problem of creating unity between North and South was closely linked with, and to a great extent absorbed into the problem of creating a cohesion and solidarity among all the national urban forces. — Antonio Gramsci, Selections from the Prison Notebooks, 533