What might have been the main failing of the zhou dynasty?

a. a lack of good soil
b. a decentralized government
c. mongol invaders in the north
d. deconstruction of the great wall

Explain one example of how the u.s has struggles to balance energy independence and environmental

Averb diagram that shows the similarities and differences of two african kingdoms

How did african americans the union during the civil war? a. by serving as representatives in congress b. by enlisting in the military to fight c. by organizing massive slave revolts in the south d. by negotiating for peace with the confederacy