Answer:
A. Russia had an alliance with Serbia, and Germany had an alliance with Austria-Hungary.
Explanation:
Russia had strong relations with Serbia at the time and has often taken a position to defend Serbia. Connected by the Slavic heritage and Orthodox Christian faith, both countries felt a pan-Slavic attachment to each other.
France and Russia had felt the obligation to protect Serbia. As such, they both stepped into the armed conflict forming an alliance with Serbia, as soon as Austria-Hungary declared the war. Russia started mobilizing the army timidity and ignored Germany’s demands to stop. Finally, Germany, an ally of the Austrian-Hungarian Empire, declared war on Russia.
Answer:
A. Russia had an alliance with Serbia, and Germany had an alliance with Austria-Hungary
