An Austro-Hungarian general advises Emperor Franz Josef I to take punitive actions against Serbia for the assassination of Archduke Franz Ferdinand. Emperor Franz Josef worries about the greater implications of these actions since Russia is Serbia's ally. The general believes that the Austro-Hungarian alliance with Germany is enough to restrain them.
This clip explains how World War I came to be a global war after the assassination of Archduke Franz Ferdinand of Austria. Austria-Hungary declares war on Serbia for the assassination, and each country's allies declare war on the opposing countries.