How did world war 1 affect the 4 minute men

4 min men were appointed in theaters and places like that during the war to give lectures during the interception trying to gain public approval for the war and explaining why the war was necessary.  They got their name by the fact that these breaks (changing tapes in the movies theater) ususally lasted 4 minutes.  They were appointed by this federal program whose name i cant remember.

Americans become more interested in foreign affairs in the late 1800s because: The U.S. economy was growing more tied to other nations, The government believed that involving themselves in foreign affairs would opened up a lot of opportunities for making trade deals that will be really profitable for the country.

Explanation: Hope this helps ! Could I have Brainliest ?