PLEASE HELP WILL FAN AND GIVE MEDAL!!!!!!!!!

Which of the following was an internal factor that contributed to the fall of Ghana? (1 point)

The states of Ghana suffered economically when Egypt stopped buying gold.
The rise of Songhai displaced many of Ghana's elite rulers and governors.
The empire had never been able to achieve political and cultural unity.
The rise of Benin forced much of the salt trade south to the Atlantic coast.

Question

PLEASE HELP WILL FAN AND GIVE MEDAL!!!!!!!!!

 	Which of the following was an internal factor that contributed to the fall of Ghana? (1 point)
 	
	The states of Ghana suffered economically when Egypt stopped buying gold.
	The rise of Songhai displaced many of Ghana's elite rulers and governors.
	The empire had never been able to achieve political and cultural unity.
	The rise of Benin forced much of the salt trade south to the Atlantic coast.