D allowing hundreds of thousands of jews refugee in there country
Answer:
Russia mobilizing its forces on Germany's eastern borders was the event that made Germany declare war on the allies.
Explanation:
- The killing of Archduke Franz Ferdinand by the serbian nationalist Gavrilo princip was the trigger that started world war.
- The alliance system was an important factor that caused world war 1 as, any countries who were in alliance had to help the other country if a war broke out.
- In World War I, two major alliances faced each other.
- The two major alliances that fought for the power of Europe were : Allied power that includes Russia, Britain and France and the Central Powers(Germany, Austria-Hungary).
I read 1989 instead of 1889 when I answered this question I'm really sorry about that
Answer:
I think its:
C. Innovators figured out how to produce steel cheaply
The Barbarian attacks on Romepartially stemmed from a mass migration caused by the Huns' invasion of Europe in the late fourth century. When these Eurasian warriors rampaged through northern Europe, they drove many Germanic tribes to the borders of the Roman Empire.