Complex sentence: On 9 August 2002, NPA became designated as Foreign Terrorist Organization (FTO) by the United States State Department, a parallel increase in counter insurgency operations negatively affected the course of the rebellion.
Split into simpler sentences: On 9 August 2002, NPA was designated a Foreign Terrorist Organization (FTO) by the United States State Department. A parallel increase in counter insurgency operations negatively affected the course of the rebellion.