Final answer:
Sundiata went into exile and left the Mandinka people because Sassouma Berté worked to scare away him and his mother.
Step-by-step explanation:
Sundiata went into exile and left the Mandinka people because of D. Because Sassouma Berté worked to scare away him and his mother. Sassouma Berté, the first wife of the king, felt threatened by Sundiata's mother, Sogolon, and her son's potential claim to the throne. Therefore, she conspired against them, eventually leading Sundiata and his mother to go into exile.
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