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