Which factor contributed to Songhai's downfall as a powerful empire?

Question

a decades-long drought
its refusal to participate in trade
internal struggles between rulers
its geographic isolation from other regions

Answer 1

internal struggles between rulers

Answer 2

#1- internal struggles between rulers.
#2- their creation and involvement in trade networks.
#3- his pilgrimage to mecca attracted Muslim scholars, artists, and teachers to mali.
#4- bantu

Answer 3

thank you so much