To understand the causes of the war, we have to go back into Germany at the time of Bismarck. Who was he and what did he do? What was going on in Russia and why did Lenin and Stalin come about? Did the US Navy being sent on a world cruise under Roosevelt have an effect? What was the economic problems in England and France that caused their reactions to the assassination? What was the effect of Nationalism? Why did Europe divide into the Triple Alliance and the Triple Entente and what did that cause? Why did it take so long for the United States to become involved? The stories are amazing.