25 points and brainlist for the first person to ancwer! 1. what important city prospered in the yellow river valley? what was unique about the buildings in this city? why did this city prosper? what was the cause of its decline? 2. why is the huang he river called china's sorrow? why did the shang pray to their ancestors? how did they communicate with their spirit gods? how did the mandate of heaven determine the rise and fall of dynasties in china?

1. A. Anyang The Capital City
B. it contained the ruins of Yin, the massive capital city of the late Shang Dynasty
C. because it has been a regional agricultural and trade centre for centuries.
D. Western Zhou conquerors sacked thr capital.

2. A. because of frequent devastating floods.
B. because the dead can bring prosperity and good fortune.
C. They asked their gods questions, then heated animal bones and read the cracks in the bones to find answers.
D. they determined it by enstating emperors and they had to be popular with the people. if not they could be replaced. or in other words a good ruler had the gods approval.