Original sentence: Other important younger parties are the Green parties and, nowadays mainly in Flanders, the nationalist and far-right parties.Since around 1970, the significant national Belgian political parties have split into distinct representations for each communities' interests besides defenders of their ideologies.These parties belong to three main political families, though close to the centre: the right-wing Liberals, the social conservative Christian Democrats, and Socialists forming the left-wing
Edited sentence: Other important younger parties are the Green parties and, especially in Flanders, the nationalist and far-right parties.Since around 1970, the significant national Belgian political parties has split into distinct components that mainly represent the interests of these communities.The major parties in each community belong to three main political families: the right-wing Liberals, the centrist Christian Democrats, and the left-wing Social Democrats