sentences:  In "dawah" (Islamic proselytization), Gunungjati upheld the strict methodology propagated by Middle Eastern sheikhs, as well as developing basic infrastructure and building roads connecting isolated areas of the province.He and his prince Maulana Hasanuddin took part in several expeditions, particularly in Banten; the leader of Banten later voluntarily submitted the leadership of the region to Sunan Gunungjati but was eventually appointed as the new leader of the province which later became the kingdom of Banten.Around the age of 89, Sunan Gunungjati started to focus on "dawah" and began moves to appoint a successor.