Answer:
it's D it was hard to defend
Explanation:
Under the Shang Dynasty, the Chinese built huge cities with strong social class divisions, expanded irrigation systems, monopolized the use of bronze, and developed a system of writing. Shang kings were believed to fulfill sacred, not political, purposes. I hope this helps :-)
Concurrent powers are powers shared by the State and the federal government.
Communism would be the answer
They continued their prosperity by moving south of the Huang River. There they <span>ruled for another 150 years.
Hope this helps!:)</span>