What country was responsible for killing Ferdinand?

please give a simple answer

Answe:

Austriar have a good day

Explanation:

Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo on June 28, 1914. The killings sparked a chain of events that led to the outbreak of World War I by early August.

a.   it resulted in widespread unemployment.