Complex sentence: From the west part of Afghanistan, he arrived in Quetta, a city in Balochistan province in Pakistan, and there he proceeded to gather a large number of religious scholars and to make qualified activities inside Afghanistan in almost all provinces.
Split into simpler sentences: From the western part of Afghanistan, he arrived in Quetta, a city in Balochistan province in Pakistan. There he proceeded to gather a large number of religious scholars and to make qualified activities inside Afghanistan in almost all provinces.