Complex sentence: On the other hand, the Albanian government, unable to deal with the Northern Epirus movement, requested that the Great Powers take measures and claimed that although the Greek army evacuated the region it was replaced by guerrilla fighters organized by the Greek authorities.
Split into simpler sentences: On the other hand, the Albanian government, unable to deal with the Northern Epirus movement, requested that the Great Powers take measures. The Albanian government claimed that although the Greek Army was evacuating the region, it was being replaced by guerrilla fighters organized by the Greek authorities.