harry in world war i as an artillery officer. of thed the ability industrial revolution created change that helped quite a bit. they created new technologies that had artie brought women out of the home and at which women were especially good. there was only one technology the u.s. had an edge over its rivals. the u.s., on like today, it was no arsenal for democracy. food andhad iron and blood and muscle, bone, men to france, fighting in world war i and other parts of the globe. it did not have the facilities to make guns and planes and tanks and even trucks on the scale being made in france. there was one thing it was good at and that was telecommunications. this particular picture i am showing you is a world war i toter trying to recruit men operate telegraphs, telegrams and radios. the size of the fonts makes you think it's important, but in fact, the primary instrument in world war i was the telephone. it'd been invented in the u.s. by alexander graham bell, like many great americans was an immigrant. andame from scotland invented the telephone here. technology than the telegraph, it is morse code. someone has to take the message, type it up and some