Complex sentence: Along with the foundation of the 2nd Bundesliga Süd, formed from clubs of the two former Regionalligas of Süd and Südwest, went the foundation of the 2nd Bundesliga Nord, which was created from clubs of the other three Regionalligas, Nord, Berlin and West.
Split into simpler sentences: Along with the foundation of the 2nd Bundesliga Süd, formed from clubs of the two former Regionalligas of Süd and Südwest, went the foundation of the 2nd Bundesliga Nord. This league was created from clubs of the other three Regionalligas, Nord, Berlin and West.