Complex sentence: The BNPP was very active in the 1970s and 1980s and after a period of dormancy it was revived in 2002 as the "Barisan Islam Pembebasan Patani" (BIPP) with less nationalistic emphasis and more hard-line Islamic politico-religious goals.
Split into simpler sentences: The BNPP was very active in the 1970s and 1980s and, after a period of dormancy, it was revived in 2002 as the "Barisan Islam Pembebasan Patani" (BIPP). The renewed group has less nationalistic emphasis and more hard-line Islamic politico-religious goals.