Answer:
C
Explanation:
It established rules of modern warfare
<span>The silver standard is a monetary standard that relies of the fixed weight of silver as the economic unit of account. It became widespread from the fall of the Byzantine empire and was used by many regions including Great Britain, China, and India before being eventually replaced with the gold standard until it was abandoned during the early 20th century.</span>
Answer:
You need a patent hope this helps
