Complex sentence: The ANC demanded that the new SARFU improve development of black players as the Springboks team consisted solely of white players at the time, though black players were eligible for selection for the Springboks following the merger of the two governing bodies.
Split into simpler sentences: The ANC demanded that the new SARFU improve development of black players. This was because the Springboks team consisted solely of white players at the time, though black players were eligible for selection for the Springboks following the merger of the two governing bodies.