Isolating your self from others
Answer:
The US has had the leading economy since it has a controlled economy and it manages its money but the US's economy is going to start going down if they don't stop wasting/spending money.
Oracle bones were used during the Shang dynasty to predict the future. The bones were used to process fortune-telling. They were used by Shamans, religious consultants that collaborated with gods and mythical people. The Shamans used the bone's cracks to demonstrate patterns or blemishes to anticipate the future.
The country will have more need to trade with other countries.If you have more resources then you have more product increasing the need of trade.
B i just did that and i got it wright