They were most supported by the<em> </em><em>advertising </em><em>industry</em>
The American advertising industry worked in ways that promoted ideals of conformity and consumer culture. Advertising methods such as bandwagoning, when there is an idea that, if everybody has/wants/uses it, then it must be good, and other methods that promoted conformity.
It exchanged goods at home to keep the soldiers healthy, even though they lived in terrible conditions, the people were influenced into conservation and to purchase bonds and such to help the country while in war. Without the people the war could have devastated many countries
Here for 5
Smoothly for 14
There for 12
Aggressively for 9