Question

The assassination of Archduke Ferdinand was one of the major causes of

Answer 1

it was a major cause of WW1 (World War 1)

Answer 2

On June 28, 1914, a member of a Serbian secret party shot and killed Archduke Francis Ferdinand, heir to the Austrian throne, along with his wife. Infuriated by the action, Austria determined to punish the Serbs. Within just a few weeks, the countries of Europe were preparing for war