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Austria-Hungary issued an ultimatum to Serbia to fix the damage. The demands were harsh. Russia stepped into the conflict to help Serbia. Fearing an attack from Austria's ally Germany, Russia began to mobilize troops to the Russo-German border. Germany took it as a threat and responded with a declaration of war and an inavsion of Belgium. World War I had its start.
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What was the name of Archduke Franz Ferdinands wife?
Sophia of Hohenburg.
What was the spark that cause World War I to ignite?
Murder of Archduke Franz Ferdinand of Austria set-off chain reaction of national treaties guaranteeing alliances/protections and they honored those agreements until they were all at war with each other.The spark that caused the first world war was the assassination of Archduke Franz Ferdinand by Gavrilo Princip
Why was archduke so famous in the starting of World War 1?
It is said that the murder of Archduke Ferdinand led to the outbreak of WWI.
What country supported to kill archduke franz Ferdinand?
Serbia because they wanted to be an independent country, however austria-Hungary wanted to rule them to make a larger empire and it was franz ferdinands idea
How did murder lead to World War 1?
The assassination (political murder) of Archduke Franz Ferdinand lead to the start of WW I.
