6. European alliances Europe prior to World War I. These alliances drove countries
to
if any member of an alliance was attacked, Austria-Hungary had an alliance, while
Serbia, Russia, France, and Great Britain had an alliance.
7. June 28, 1914, the
of Archduke Franz Ferdinand, the heir to the Austrian-
Hungarian throne, by a Bosnian Serb led to the beginning of World War I.
8. Trench warfare began along the western front as neither side can advance. The
became the home and grave for many soldiers.

PSA I took a picture of the choices