Why was Lady Khadijah, may Allah be pleased with her, favored above all other women of the world?

Among the reasons for Khadijah's superiority, may Allah be pleased with her, are that she was the first woman to embrace Islam, and she comforted the Messenger of Allah, peace and blessings be upon him, with her wealth, and bore children for him. Aisha, may Allah be pleased with her, mentioned in a hadith that the Prophet, peace and blessings be upon him, said about Khadijah: "Allah Almighty did not give me a better one than her. She believed in me when people disbelieved in me, and she affirmed my truthfulness when people denied me, and she comforted me with her wealth when people deprived me, and Allah Almighty granted me children through her when He deprived me of children from other women." The most preponderant view is that she is not the best woman in all the worlds; rather, Mary and Fatimah are better than her, due to Allah's saying: "O Mary, indeed Allah has chosen you and purified you and chosen you above the women of the worlds" (Quran 3:42), and the Prophet's, peace and blessings be upon him, saying to Fatimah: "Are you not pleased to be the lady of the women of the worlds?"