The correct answer should be Adams' equity theory.
According to this theory, employees want to be equal at work, especially if they produce the same amount of work. So, if Bob and Tom do the same work, obviously they want to have equal paycheck as the other one, which is why Bob is unhappy because Tom's wage is higher.
Answer: The Middle colonies had many natural resources such as rich farmlands and wide rivers. The human resources were unskilled and skilled workers, along with fishermen. Working together, the natural resources and human resources were able to produce capital resources of tools and buildings.
The concrete operational stage