Hi , the answer is 100 million years .
They were all used in china before being used in Europe.
Answer:
cause of what happen in ww1
Explanation:
The three powers are : The power to raise armies,to declare war, and write bills to be approved by the president. I find these three most important out of all because these affect our economy and country more then the rest (Not saying the rest aren't important just don't think there as important as the three i listed above)
