Answer:
Because they are emotionally imbalanced
I think that the agriculture revolution led to the other three
I believe the answer is: Developmental leadership
Developmental leadership refers to a form of leadership that is aimed to create a sustainable growth within the organization and the personal development among the members. This type of leader tend to pay a lot of attention to their employees well being and company culture.
I would say C, because the smoke from coal consumption emits a large amount of carbon dioxide.