During world war i, posters of the central powers countries (i. e., germany and austria-hungary) differed from those of the allied powers countries (i. e., england and the united states). american posters, for example, tended to be more than those from germany.

The correct answer is illustrative

American posters tended to use real life situations and be highly descriptive with numerous designer choices that illustrated situations, while the central powers' posters usually tended to be based around an idea and were less about specific situations or descriptive and vivid illustrations of actual events.

The answer would be d) divisions of labor or the fourth option.