The Selective Services Act required men between the ages of twenty-one and thirty to register to sign up to be drafted. This is propaganda that the U.S. put out which shows a respectable American woman and her son who is going to war.
Les rats dans les tranchées sont un fléau. Ils apportent les puces, la gale, mangent les rations et empêchent les soldats de dormir .the trenches in ww1 were infested with millions of rats. They were a problem because they spread infection and disease like the plague and contaminated the soldiers' food.