According to Coughlan it is the ‘solidarities implicit in a common tax and public service system... underpinned by the democratic solidarities of the national community’ that bind the nation state together. ###>Selon Coughlan, ce sont les «solidarités implicites de tout système d’imposition et de services publics[...] associées aux solidarités démocratiques de la communauté nationale» qui garantissent la cohésion nationale.