The key event that led to the outbreak of World War I was the assassination of an Austrian archduke.
What key event led to the outbreak of World War I?
(1 point)
Responses
the rise of a fascist German chancellor
the rise of a fascist German chancellor
the assassination of an Austrian archduke
the assassination of an Austrian archduke
invasion of Vienna by Serbs
invasion of Vienna by Serbs
the seizure of Romania by Bulgaria
1 answer