The document summarizes the history of the original 13 colonies in British North America. It describes the founding of the New England colonies including Plymouth, Massachusetts, Connecticut, New Haven, and Rhode Island. It then discusses the Middle colonies of New York, New Jersey, Pennsylvania, and Delaware, noting their diversity. Finally, it outlines the Southern colonies including the Carolinas and their ties to the Caribbean and reliance on slavery. It concludes that the colonial population grew from 250,000 settlers in 1700 to nearly 2.5 million by 1775.