The office of war information worked with the film industry because

The United States Office of War Information (OWI) was a United States government agency created during World War II. OWI operated from June 1942 until September 1945. Through radio broadcasts, newspapers, posters, photographs, films and other forms of media, the OWI was the connection between the battlefront and civilian communities. The office also established several overseas branches, which launched a large-scale information and propaganda campaign abroad.

Explanation:

the answers are 1 and 4

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