I believe the answer would be A
the complex alliance systems that were in place at the time. Hungary declared war on Serbia. Russia had to back their ally up, and did Germany. (Russia and Serbia were allies). Then Geramny took the opportunity to finally invade france, and G.B. declared war on germany. the ottoman empire were also allied with germany and austrio hungary.
Answer:
The answer is c
Explanation:
A natural disaster forced them to migrate out of Asia and across a land bridge
Mesopotamia, it is now a nation in Iraq. It was the first to form cities.
Answer:
It was Germany's strategy to fight on two fronts.
Explanation:
I just did it.