Which mr. jones has all the students in his class lined up the nine student in line ends up being exactly at the middle of the line how many students are in mr. jones's class

The heir to the austrian throne, archduke franz ferdinand was gunned down by a young serbian terrorist. germany urged austria to declare war on serbia. russia mobilized against austria, then germany mobilized against russia. france and britain mobilized against germany. then young men such as adolf hitler volunteered in the war.