The colonists went to Georgia to get more land for the British and to start more colonies. The land was colonized by George Oglethorpe on January 2, 1788. Georgia was the last of the 13 colonies to be made and founded.
The social unit your question is talking about is the family which represents your source of primary socialization. Having a family in place will enable you to learn the customs that are specific for your culture and traditions.
