Complex sentence: He developed the view that to avoid white domination, black people had to organise independently, and to this end he became a leading figure in the creation of the South African Students' Organisation (SASO) in 1968.
Split into simpler sentences: He developed the view that to avoid white domination, black people had to organise independently. To this end he was a leading figure in the creation of the South African Students' Organisation (SASO) in 1968.