Complex sentence: In 1995 as the new Taliban movement rapidly advanced, Dostum joined the government again, and in 1996 Hekmatyar accepted a power-sharing agreement, all were now united in repelling the Taliban's advance, but they failed as the Taliban captured Kabul in September 1996.
Split into simpler sentences: In 1995 as the new Taliban movement rapidly advanced, Dostum joined the government again, and in 1996 Hekmatyar accepted a power-sharing agreement. All were now united in repelling the Taliban's advance, but they failed as the Taliban captured Kabul in September 1996.