Respuesta :
The Serbs' wish to unite all the Slavs in one empire is an example of nationalism, where the people of Serbia share a cultural identity with Russia.
What is nationalism?
Nationalism is a cognitive content and apparent movement that the state and the country should be in adjust.
Nationalism as a social movement that seeks to endorse the interests of a single nation, specially with the goal of accomplishing and upholding sovereignty over one's motherland in order to form a nation state.
Nationalism is an ideology that stresses a nation's loyalty, state's devotion, or allegiance, and believes that such commitments above other individual or group objectives.
Nationalists feel that their common interests are more important than the interests of individuals or groups.
In the given case, the desire of Serb to unite all the Slavs in one empire is an example of Nationalism.
Therefore, option C is correct.
Learn more about the nationalism, refer to:
https://brainly.com/question/27126152