Complex sentence: Between 1985 and 1986, Kuwa was sent for military training in Ethiopia, and after being selected to join the SPLM/A "High Command", was sent to Cuba for political training and the training on how to conduct an armed struggle.
Split into simpler sentences: Between 1985 and 1986, Kuwa was sent for military training in Ethiopia. He was then appointed to join the SPLM/A "High Command", and was sent to Cuba for advanced political and military training on how to conduct an armed struggle.