Question

Which of these is considered the "spark" that began World War I? A) The assassination of the heir to the Austrian throne. Eliminate B) Imperialistic competition among European nations. C) Military build-up in industrialized countries. D) The growth of European nationalism.

Answer 1

the assassination of the heir to the Austrian throne. hope that helped.

Answer 2

A. The assassination of the heir to the Austrian throne, Archduke Ferdinand.

The other options were simply other things that led up to it, but the first option was the "spark".

Hope this helps :)