Answer: to address the needs of common Americans
That no one country could have a sphere of influence to trade in China- so the U.S. would have equal access to trade.
The Mongol Empire existed during the 13th and 14th centuries and it is recognized as being the largest contiguous land empire in history.
This is a hard question but google the United States map . I definitely know that Southwest is the first one . Hope this helps you .
