Answer:
1
Explanation:
The rest are wrong b/c it helped <em>expand</em> China rather than isolate it, they didn't use ships on the Silk Road, and it brought better communications, etc. between countries.
The answer to
this is b , your welcome
I think the correct answers from the pool of choices above are options A, B and C. <span>Management of the earth's resources should be handled in every level of the society may it be the local, the national or the global. It should be managed by everyone. Hope this helps.</span>
Answer:
rising global temperature which is called the
"Global Warming"