The murder of Archduke Ferdinand, the heir to Austrian throne, became the immediate cause of which war:...? Mcqs

The murder of Archduke Ferdinand, the heir to Austrian throne, became the immediate cause of which war:...?

(A) World War 1

(B) Battle of Borodino

(C) Battle of Jutland

(D) World War II

Source: This question is taken from the Junior Clerk Service and General Administration (S&GAD)