that sank the weimar republic. guest: most people don't realize one of the reasons the u.s. got into the war was the submarine warfare against british ships with american passengers on board and american ships later on. the british blockade of the north sea -- 500,000 people, younger people, older people especially, far more people than civilians died on the north atlantic from the sufferings. guest: when the british bomber command began to justify the strategic bombing of civilians in world war ii, the explicit justification for that was that it would kill far fewer people than the blockade had killed in 1919. host: john mosier is the author of "the myth of the great war," and michael kazin is the author of "war against war." you said there were a lot of foreign language newspapers in the u.s. a lot of german immigrants who came to the u.s. in the 1880's and 1890's now involved in a battle with cousins and relatives and friends and former neighbors. guest: it was not easy. when the war begins, german-american associations, which were big, dr. by the money of the brewers ass