What was the "spark" that set off world war i? germany’s invasion of neutral belgium the assassination of archduke franz ferdinand of austria by a serbian nationalist the sinking of the lusitania by a german u-boat germany's declaration of war on russia and france?

The ""spark" that definitely launched the First World War was the assassination of Austrian Archduke Franz Ferdinand in Sarajevo on June 28, 1914. The assassination was carried out on two occasions on the same day, of which the first was unsuccessful carried out by another Serbian nationalist. Later on during the return of Archduke Ferdinand and his wife Sophie, in another attempt by the Serbian nationalist Gavrio Princip,  Archduke and his wife were killed.

The answer is: B.

B.) the assassination of Archduke Franz Ferdinand of Austria by a Serbian nationalist

Explanation:

a more perfect union: the creation of the u.s. constitution. the vote was unanimous. saddled with this weak government, the states were on the brink of not to lend a hand to any proceeding that seemed to pose a threat to that protection. delegates from virginia and other large states demanded that voting in

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-lavira: )