Complex sentence: The group was short lived, as internal political disagreements and the work of Axis intelligence services suppressed its activities but bands belonging to the communist led Greek People's Liberation Army (ELAS), continued to emerge in the region.
Split into simpler sentences: The group was short lived, as internal political disagreements and the work of Axis intelligence services suppressed its activities. However bands bellonging to the communist led Greek People's Liberation Army (ELAS), continued to spring out in the region.