Complex sentence: In the social arena, during his tenure in government, pardoned military officers serving sentences for human rights abuses of the Dirty War and as a way of balancing for such unpopular decision, also some of the convicted insurgents participating in the guerrillas on the 70's.
Split into simpler sentences: In the social arena, during his tenure in government, he pardoned military officers serving sentences for human rights abuses of the Dirty War. As a way of balancing such an unpopular decision, he also pardoned some of the convicted insurgents participating in the guerrillas on the 70's.