How did the historical roles of Sunni Ali (1464-1492) and Muhammad I Askia (1493-1528) compare?

Muhammad I Askia made war against neighboring kingdoms while Sunni Ali did not.

Sunni Ali ruled Songhai during its rise and Muhammad I Askia during its decline.

Both were conquerors who expanded their empires beyond the existing borders.

Both were strict Muslims who tried to rid Songhai of all non-Muslim influences.

Question

How did the historical roles of Sunni Ali (1464-1492) and Muhammad I Askia (1493-1528) compare? 
 
Muhammad I Askia made war against neighboring kingdoms while Sunni Ali did not.
 
Sunni Ali ruled Songhai during its rise and Muhammad I Askia during its decline.
 
Both were conquerors who expanded their empires beyond the existing borders.
 
Both were strict Muslims who tried to rid Songhai of all non-Muslim influences.

anonymous · Answer

C. Both were conquerors who expanded their empires beyond the existing borders.

anonymous · Answer

Are you sure it is not B

anonymous · Answer

Songhai was not in a decline under Muhammeds rule

anonymous · Answer

It did however crumble after he passed away, but only because he was gone. He helped Songhai flourish in both knowledge and resources.