Original sentence: But the LTTE after removing most of its fighting cadres south of the peninsula maintained a steady barrage of typical guerilla style attacks throughout 1988 and 1989.By November 1987 the Indian Army was in nominal control of all major towns within the Jaffna Peninsula
Edited sentence: By November 1987 the Indian Army was in control of all major towns within the Jaffna Peninsula, however the LTTE had moved most of its fighting cadres south of the peninsula maintaining a steady barrage of typical guerilla style attacks throughout 1988 and 1989