Please help.

Which reason for the decline of the Ghana Empire was the result of a natural disaster?

New trade routes opened outside of Ghana.
Rival armies and tribes invaded Ghana.
A drought caused many farmers and other residents to leave.
Individual states sought independence from the Empire.

Question

Please help.

Which reason for the decline of the Ghana Empire was the result of a natural disaster? 
 	
	New trade routes opened outside of Ghana.
	Rival armies and tribes invaded Ghana.
	A drought caused many farmers and other residents to leave.
	Individual states sought independence from the Empire.

anonymous · Answer

@DesiFaith333 Sorry to bother you. But do you think you could help with this one or no?

anonymous · Answer

I can try are you any good at English? I desparately need help!

anonymous · Answer

Sure! I love English! Let me see what I can do for you! :)

anonymous · Answer

I think c and ill tag you in my post

anonymous · Answer

Okay thank you!!! :3