Question

Which of the following explains why the assassination of Archduke Franz Ferdinand led to the outbreak of the war in Europe?
A. Leaders across Europe were "spoiling for a fight".
B. A system of alliances obliged nations to support one another.
C. Germany wanted to take over Britainâs colonies in Asia and Africa.
D.Franz Ferdinand was a popular leader internationally.

Answer 1

Answer: The answers is:

A system of alliances obliged nations to support one another.

Explanation:

The assassination led to a battle in which allies had to come to aid their fellow ally. The other  countries were involved because they had to defend their allies.