Complex sentence: Allen argued that lynching photographers were more than passive spectators; they positioned and lit the corpses as if they were game birds, and the postcards became an important part of the ritual, emphasizing the political nature of the act.
Split into simpler sentences: Allen argued that lynching photographers were more than passive spectators. They positioned and lit the corpses as if they were game birds, he wrote, and the postcards became an important part of the ritual, emphasizing the political nature of the act.