The United States maintained neutrality up until the point where Japan bombed Pearl Harbor. After that, it was impossible for the US to keep to itself.
The Silk Road connected them to the Fertile Crescent and other western countries and gave them new goods . Before the Silk Road china suffered from isolation because of the natural boarders around it
Answer:
Great Britain, Russia, France, and Spain
Explanation:
But the US claimed it
I’m pretty sure using steel however the project got delayed by two years