History 1) one of the most important groups of artisans in middle colonies made barrels. a)coopers b)masons c)weavers d)shoemakers 2)because it produced an abundance of was known as america's breadbasket. a)new jersey b)pennsylvania c)new york d)delaware 3)which describes a frontier region extending through several colonies from pennsylvania to georgia? a)indian territory b)unsettled land c)unclaimed territory d)backcountry 4) by 1750 non-english immigrants had made the middle a)the least diverse part of english north america b)rundown and poor c)the most diverse part of english north america d)very wealthy and thriving 5)by the mid-1700s all of the colonies a)thriving economies b)large cash crops c)claims to land in the backcountry d)back country settlers