Complex sentence: According to Ibn Hisham, a dispute had broken out between the Muslims and the Banu Qaynuqa (the allies of the Khazraj tribe) when a Muslim woman visited a jeweler's shop in the Qaynuqa marketplace, she was pestered to uncover her face.
Split into simpler sentences: According to Ibn Hisham, a dispute had broken out between the Muslims and the Banu Qaynuqa, the allies of the Khazraj tribe. When a Muslim woman visited a jeweler's shop in the Qaynuqa marketplace, she was pestered to uncover her face.