1) The document analyzes three photographs, providing descriptions of the people, situations, possible messages, and questions raised.
2) The first photo shows four boys on bikes making a Nazi salute, suggesting support for Hitler. The second photo portraits American soldiers in Vietnam appearing happy. The third photo pictures factory workers pouring liquid, likely water, into street drains.
3) Questions are raised about the identities of those pictured, the context of the time periods, and reasons for their depicted actions. More research is suggested to learn more about the photos and their historical significance.