>> next on booktv, max brooks recounts the first african-american regiment to fight in world war world war i,h infantry regiment, dubbed the hard bell hell fighters. -- harlem hell fighters. he spoke for a little under an hour. .. what japan did to china again. but i'm not sure what to do this done because its pictures. to we just all go like, wow, look at that and here's another page. [laughter] wow. when going to do instead is talk about it for a little while, talk about this project how it came to be, why i'm doing and take questions from you guys. in 1917, the united states entered its first war of choice. what i mean by war of choice is a war that we didn't hav have to fight and were we weren't sure we wanted to fight. because every war up until then had had a very concrete goal, which was a war of independence from britain, or a war to hold the unit together and free slaves, or we really like california. we're going to take it away from mexico. but whatever the reasons were it was concrete where as the first world war was the first war of a serial ideal. this weird idea and this