World War I had many different causes, by the spark that caused the war was: (1 point)

A.Britain's support for Belgium.

B. the Moroccan Crisis of 1911.

C.the assassination of Archduke Franz Ferdinand.

D.French support of Germany's enemies.

C. the assassination of Archduke Franz Ferdinand.

The spark that caused World War I was C. the assassination of Archduke Franz Ferdinand.

The spark that caused World War I was the assassination of Archduke Franz Ferdinand. To get the answer, you can review historical records or textbooks that detail the events leading up to the war. In this case, Archduke Franz Ferdinand's assassination is considered the immediate trigger that set off a chain of events leading to the outbreak of the war. It occurred on June 28, 1914, in Sarajevo, Bosnia, when a Bosnian Serb nationalist named Gavrilo Princip assassinated the Archduke and his wife. This event led to a series of diplomatic and military escalations between various European powers, ultimately resulting in the outbreak of World War I.