 
 <prompt> ```Who be the grandfather of the Kushan wey conquer most of northern India? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context:``` <response>: The Kushan Empire come out from wetin dey Afghanistan enter northwest of the subcontinent under the leadership of their first emperor, Kujula Kadphises, about the middle of the 1st century CE. Dem be Indo-European language speaking Central Asian tribe wey dem dey call Yuezhi, and one branch of dem na the Kushans. By the time wey hin grandson, Kanishka, reach power, dem don conquer most of northern India, reach places like Saketa and Pataliputra for middle Ganges Valley, and probably reach as far as the Bay of Bengal. 