Senegal has a fairly well-developed sense of nationhood, and intermarriage between groups has reduced ethnic tensions. Groups can still be identified regionally, however. Dakar is a Wolof area, the Senegal River is dominated by the Toucouleur, the Malinke mostly live in the east, and the Diola in Casamance. The Diola have felt excluded from the political process, and this has led to unrest in Casamance. A French-influenced class system is still prevalent and has become increasingly apparent
