How did America propaganda posters for world war 1 and world war 2 affected America culture?

it convinced people to join the army and it convinced people, women, to take jobs in factories. It promoted the sale of war bonds with a catchy solgan, "Keep 'em flying Buy War Bonds." They encouraged people to collect scrap metal to be made into parts for supplies for our tanks... and so on. As you probably can tell these are some of the most common examples.