What did the owi, radio,& film industries work to remind americans of?

The United States Office of War Information (OWI) was a United Statesgovernment agency created during World War II to consolidate existing government information services and deliver propaganda both at home and abroad. 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.

Are their any multiple answer's ?