Complex sentence: Mustafa was in his final year of studies at Vienna University when the Barzani rebellion collapsed, after talks with Jalal Talabani, they decided that a new Kurdish movement needed to be organized to fill the vacuum.
Split into simpler sentences: Mustafa was in his final year of studies at Vienna University when the Barzani rebellion collapsed. After talks with Jalal Talabani, they decided that a new Kurdish movement needed to be organized to fill the vacuum.