The Quakers expansion, consumption of resources, along with the introduction of alcohol and disease, led to a decline in the Lenape population. The development of a ferry system along the Delaware River bolstered trade between Fort Nassau and Philadelphia. Through ferries, families like Coopers and the Kaighns were able to establish settlements in surrounding areas. In 1773, Jacob Cooper played a significant role in developing the area which is today known as Camden, named after Charles Pratt, the Earl of Camden.