Complex sentence: This development goes hand in hand with the broader development of the region; as the Philadelphia metropolitan area expanded from southern into central Bucks County, the fields and farms of the communities around Doylestown quickly began to sprout housing developments.
Split into simpler sentences: This development goes hand in hand with the broader development of the region. As the Philadelphia metropolitan area expanded from southern into central Bucks County, the fields and farms of the communities around Doylestown quickly began to sprout housing developments.