The United States entry into world war 2 had which of these effects on domestic politics

"At first, the government was reluctant to engage in propaganda campaigns, but pressure from the media, the business sector and advertisers who wanted direction persuaded the government to take an active role. Even so, the government insisted that its actions were not propaganda, but a means of providing information. These efforts were slowly and haphazardly formed into a more unified propaganda effort, although never to the level of World War I. In 1942, President Franklin D. Roosevelt created the Office of War Information (OWI). This mid-level agency joined a host of other wartime agencies, including the War and State Departments, in the dissemination of war information and propaganda. Officials at OWI used numerous tools to communicate to the American public. These included Hollywood movie studios, radio stations, and printing presses."