What was one source of income in the middle colonies

The Middle Colonies comprised four of the Thirteen Colonies located in the center of the possessions of the British Empire in North America. They were the colonies of New York, New Jersey, Pennsylvania and Delaware.

The Middle Colonies had a rich soil, which allowed the area to export wheat and other beans. The shipbuilding and naval industries prospered due to the forestry abundance, and Pennsylvania had some successes in the textile and metallurgical industry.

he would based it upon geographic luck which he often resulted his faith in.

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.