D; It was from the Gadsen purchase
Immigrant communities helped to grow Florida’s economy by developing a transportation system.
Social Psychology is the systematic study of the ways interaction, interdependence and influence among persons affect their behavior and thoughts.
Industrial Psychology is a branch of psychology which understands individuals at their workplace and how the theoretical principles of psychology can be applied.
Anthropology is the scientific study of man and his proceedings.
Sociology is the scientific study of social behavior or society.