Which of these factors led to the fall of the kingdoms of mali and songhai?
a. regional trade
b. internal conflict
c. caste system
d. natural disaster

internal conflict

Explanation:

it's lower nubia : ) good luck

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.