I would say most of them do
After religious spinster's (Katharine Hepburn) missionary brother is killed in WWI Africa, dissolute steamer captain (Humphrey Bogart) offers her safe passage. She's not satisfied so she persuades him to destroy a German gunboat. The two spend most of their time fighting with each other rather than the Germans, time alone on the river leads to love
They show the ways in which the government manipulated the culture to get people to buy more consumer goods, thus boosting the economy
