What was one major consequence of Archduke Franz Ferdinand's
assassination?
O
A. Great Britain declared war on Austria-Hungary and the other Triple
Alliance states.
O
B. Germany broke its military alliance with Austria-Hungary and sided
with Serbia.
O
c. The Serbian government arrested and executed several prominent
Serb nationalists.
O
D. Austria-Hungary threatened to invade Serbia to root out Serb
nationalist groups.