How did Kareem's mother and Sultana get into a fight?

Sultana and Kareem moved into the home of Kareem's father and his mother until their own palace could be built. Kareem's mother did not like Sultana and felt she was the wrong woman for Kareem. Kareem's mother wanted her son to divorce Sultana. One afternoon, Sultana and her mother-in-law got into a shoving match and were still fighting when Kareem came in.