Many of the Hollywood studios produced such films during the war , generally musicals , frequently with flimsy storylines , and with the specific intent of entertaining the troops overseas and civilians back home and to encourage fundraising -- as well as to show the studios ' patriotism .
Many of the Hollywood studios produced such films during the war . 
 They were generally musicals , frequently with flimsy storylines , and had the specific intent of entertaining both the troops overseas and the civilians back home , as well as to encourage fundraising and to show the studios ' patriotism .