What was WW1 about? World War 1 was about the assassination of Franz Ferdinand he was the Archduke of Austria-Hungary. Some of the events that led up to the assassination where various but mainly because the group of alliances between the two big powers to blame the cause of the war. How did it start? It started with the assassination of the Archduke of Austria-Hungary which was Franz Ferdinand. Why did the U.S get involved in the WW1? The U.S. did not declare the war until April 6th of the year 1917. They had tried to stay away, not be seen because they did not want problems or getting involved in this war, but they were tied to Britain, and their propagandas and the sinking of the German U-boats, and also the Mexico declaring war against
