Complex sentence: In theory, the "Volkskammer" was the central political body of the GDR, appointing the Council of State (after 1960), the Council of Ministers, and the National Defence Council.
Split into simpler sentences: In theory, the "Volkskammer" was the highest organ of state power in the GDR. It also formally appointed the Council of State (after 1960), the Council of Ministers, and the National Defence Council.