Can someone please help me with a few questions? World history - module 3

Question

anonymous · Answer

Which statement provides evidence that Zapotec culture influenced Aztec culture?

a)  Zapotec and Aztec languages have similar written and spoken characteristics.

b)  The Zapotecs flourished earlier than the Aztecs did, in the same locality.

c)  Both cultures built cities and temples and made pottery.

d)  Both religions practiced ritual human sacrifice in honor of their gods.

I thought maybe B ?

anonymous · Answer

What caused the downfall of Ghana?

 a) Climate change and Berber battles

b)  Songhai invasions and disease

 c) Internal revolts

d)  Depletion of the salt mines 

I thought maybe C ?