Hurry what was one reason austria-hungary declared war on serbia?

select one:
a. austria-hungary wanted german land to grow crops.
b. austria-hungary believed that serbia was building an army that was too large.
c. serbia was refusing to acknowledge the archduke as its king.
d. serbia would not accept all 10 demands that were listed in the ultimatum.

c and b are both right I literally just had a test over this stuff

i believe the answer is d, hope this helped!

answer; /// i believe that the correct answer is(cognitive revolution);

1. state-issued photo ids. provide them for free for those who can't afford them.

2. the system we have seems to be working nearly perfectly. seems like about 31 cases per billion votes cast

3. the national policy for hiring new employees which requires proof of eligibility to work. there are something like 20 types of identification which can be used for this.