Complex sentence: In the early 1970s Radio Kabul began to broadcast in other languages besides Pashtun which helped to unify those minorities that often felt marginalized, however this was put to a stop with Daoud's revolution in 1973.
Split into simpler sentences: In the early 1970s Radio Kabul began to broadcast in other languages besides Pashto which helped to unify those minorities that often felt marginalized. However, this was put to a stop after Daoud Khan's revolution in 1973.