Complex sentence: In the 1981 elections the placement of American nuclear weapons is a major issue, the CPN who prominently led one of the campaigning groups, The Committee against the N-bomb, is rewarded with another seat.
Split into simpler sentences: In the 1981 elections the placement of American nuclear weapons is a major issue. The CPN, which prominently led one of the campaigning groups, The Committee against the N-bomb, was rewarded with another seat.