What countrie/countries are responsible for starting the Great War? Please back it up with proof I really need help

The war was started by the leaders of Germany and Austria-Hungary. Vienna seized the opportunity presented by the assassination of the archduke to attempt to destroy its Balkan rival Serbia

                                                      or

The simplest answer is that the immediate cause was the assassination of Franz Ferdinand, the archduke of Austria-Hungary. His death at the hands of Gavrilo Princip – a Serbian nationalist with ties to the secretive military group known as the Black Hand – propelled the major European military powers towards war.

which ever answer you like best

hope this helps

have a good day :)

Explanation:

yes, no, maybe, so i honestly don't know best of luck

d. would be the correct answer. this because when finishing an informative essay, you want to recap what the argument of the essay was and how you were able to support it.