Answer:
assassination of Archduke Franz
Explanation:
Nationalist groups contributed to the weakening of the Ottoman Empire in eastern Europe, by seeking to throw off Muslim rule It was this pan-Slavic nationalism that inspired the assassination of Archduke Franz Ferdinand in Sarajevo in June 1914, an event that led directly to the outbreak of World War 1
Answer:
The Battle of Fort Sumter in 1861
Explanation:
In most history books, you will find that The Battle of Fort Sumter is considered to be what started the American Civil War.
Your answer would be, Letter Choice (A), Claiming the Pope was the highest Christian Authority.
Hope that helps!!! :) (Answer: Letter Choice (A), Claiming the Pope was the highest Christian Authority.).