Answer: 100 years. (I think)
Explanation: sorry if it's wrong
Answer:
Sino foreign relations which allowed trade with the outside world
The mountain ranges on Southeast Asia's mainland shaped the history of the region because the mountains separated the mainland from the rest of Asia and isolated early societies. The correct option among all the options given in the question is option "A".
It was created to give power to each of the individual states' governments. As a result, the U.S. did not have a strong central government.
I believe that was in 1897