Complex sentence: In 1973, under the aegis of the new Revolutionary leadership system of the military government, the SNU developed over the next twenty years into an expansive institution of higher learning, with 13 departments and half a dozen outposts dispersed throughout the country.
Split into simpler sentences: In 1973, under the new Revolutionary leadership system of the military government, programs and facilities were expanded. The SNU developed over the next twenty years into an expansive institution of higher learning, with 13 departments and half a dozen outposts dispersed throughout the country.