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.

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.

c) the invasion of the shang

i actually have a suggestion instead of an answer, how about next time instead of spending the time to time up the question you take that time and try to figure something out for yourself, do you understand?

explanation:

leave a 5 star and a and brainliest answer if you understand, hope this betters you day, or not i don't really care either way. xd