Explain how a hegemonic threat, or the rise of a potential hegemon destabilizes the balance of power

Answer the prompt described in the "topic" section above. In answering the prompt, ONLY use the following source: Fromkin, David. Europe’s Last Summer: Who
Started the Great War in 1914? Knopf, 2004. Please make sure to answer the prompt and support the argument through quotes and paraphrases from the source with proper
MLA citations. The source should be referenced multiple times throughout the essay. Please make sure to NOT include block texts from the source; quotes from the source
should not be more than 1-2 lines; please make sure to use both direct quotes and paraphrases with proper citations when referencing the text.