Original sentence: One strand was the underground networks of the banned Social Democrats (SPD) and Communists (KPD), such as the SPD activist Julius Leber, who was an active resistance figure
Edited sentence: An exception was the SPD activist Julius Leber, who was an active resistance figure.One strand was the underground networks of the banned Social Democrats (SPD) and Communists (KPD).Rather, they sought to preserve their parties in hope of taking advantage of future political change.These networks might better be described as "opposition" rather than "resistance," since they engaged in little overt resistance activity apart from incitement of strikes