A. Italy
They were neutral until May 23, 1915
After the Qin Dynasty collapsed in 207 BC after four years of civil war, Liu Bang established the Western Han Dynasty
Answer:
Germany was disarmed, forced to accept full liability for the war, and stripped of its colonies.
Explanation:
Plato/ Edmentum users this is the answer^
I think that the answer is C.
I think it was the decimal system and concept of zero